diff --git a/google/privacy/dlp/v2/dlp.proto b/google/privacy/dlp/v2/dlp.proto
index 781ac1c4..05738301 100644
--- a/google/privacy/dlp/v2/dlp.proto
+++ b/google/privacy/dlp/v2/dlp.proto
@@ -1154,9 +1154,21 @@ message RedactImageRequest {
     Color redaction_color = 3;
   }
 
-  // The parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
+  // Parent resource name.
+  //
+  // The format of this value varies depending on whether you have [specified a
+  // processing location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [(google.api.resource_reference) = {
                        child_type: "dlp.googleapis.com/DlpContent"
                      }];
@@ -1207,8 +1219,20 @@ message RedactImageResponse {
 // Request to de-identify a list of items.
 message DeidentifyContentRequest {
   // Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on whether you have [specified a
+  // processing location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [(google.api.resource_reference) = {
                        child_type: "dlp.googleapis.com/DlpContent"
                      }];
@@ -1255,9 +1279,21 @@ message DeidentifyContentResponse {
 
 // Request to re-identify an item.
 message ReidentifyContentRequest {
-  // Required. The parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
+  // Required. Parent resource name.
+  //
+  // The format of this value varies depending on whether you have [specified a
+  // processing location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -1292,10 +1328,11 @@ message ReidentifyContentRequest {
 
   // Template to use. References an instance of `DeidentifyTemplate`.
   // Any configuration directly specified in `reidentify_config` or
-  // `inspect_config` will override those set in the template. Singular fields
-  // that are set in this request will replace their corresponding fields in the
-  // template. Repeated fields are appended. Singular sub-messages and groups
-  // are recursively merged.
+  // `inspect_config` will override those set in the template. The
+  // `DeidentifyTemplate` used must include only reversible transformations.
+  // Singular fields that are set in this request will replace their
+  // corresponding fields in the template. Repeated fields are appended.
+  // Singular sub-messages and groups are recursively merged.
   string reidentify_template_name = 6;
 
   // Deprecated. This field has no effect.
@@ -1314,8 +1351,20 @@ message ReidentifyContentResponse {
 // Request to search for potentially sensitive info in a ContentItem.
 message InspectContentRequest {
   // Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on whether you have [specified a
+  // processing location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [(google.api.resource_reference) = {
                        child_type: "dlp.googleapis.com/DlpContent"
                      }];
@@ -1484,7 +1533,10 @@ message InfoTypeDescription {
 // Request for the list of infoTypes.
 message ListInfoTypesRequest {
   // The parent resource name.
-  // - Format:locations/[LOCATION-ID]
+  //
+  // The format of this value is as follows:
+  //
+  //     locations/<var>LOCATION_ID</var>
   string parent = 4;
 
   // BCP-47 language code for localized infoType friendly
@@ -2490,6 +2542,9 @@ message CryptoReplaceFfxFpeConfig {
     // Number of characters must be in the range [2, 95].
     // This must be encoded as ASCII.
     // The order of characters does not matter.
+    // The full list of allowed characters is:
+    // <code>0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
+    // ~`!@#$%^&*()_-+={[}]|\:;"'<,>.?/</code>
     string custom_alphabet = 5;
 
     // The native way to select the alphabet. Must be in the range [2, 95].
@@ -3075,10 +3130,25 @@ message Action {
 // Request message for CreateInspectTemplate.
 message CreateInspectTemplateRequest {
   // Required. Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:organizations/[ORGANIZATION-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
-  // - Format:organizations/[ORGANIZATION-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on the scope of the request
+  // (project or organization) and whether you have [specified a processing
+  // location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  // + Organizations scope, location specified:<br/>
+  //   `organizations/`<var>ORG_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Organizations scope, no location specified (defaults to global):<br/>
+  //   `organizations/`<var>ORG_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -3134,10 +3204,25 @@ message GetInspectTemplateRequest {
 // Request message for ListInspectTemplates.
 message ListInspectTemplatesRequest {
   // Required. Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:organizations/[ORGANIZATION-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
-  // - Format:organizations/[ORGANIZATION-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on the scope of the request
+  // (project or organization) and whether you have [specified a processing
+  // location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  // + Organizations scope, location specified:<br/>
+  //   `organizations/`<var>ORG_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Organizations scope, no location specified (defaults to global):<br/>
+  //   `organizations/`<var>ORG_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -3198,8 +3283,20 @@ message DeleteInspectTemplateRequest {
 // Request message for CreateJobTrigger.
 message CreateJobTriggerRequest {
   // Required. Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on whether you have [specified a
+  // processing location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -3267,8 +3364,20 @@ message GetJobTriggerRequest {
 // Storage.
 message CreateDlpJobRequest {
   // Required. Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on whether you have [specified a
+  // processing location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -3298,8 +3407,20 @@ message CreateDlpJobRequest {
 // Request message for ListJobTriggers.
 message ListJobTriggersRequest {
   // Required. Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on whether you have [specified a
+  // processing location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -3485,8 +3606,20 @@ message GetDlpJobRequest {
 // The request message for listing DLP jobs.
 message ListDlpJobsRequest {
   // Required. Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on whether you have [specified a
+  // processing location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 4 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -3597,10 +3730,25 @@ message DeleteDlpJobRequest {
 // Request message for CreateDeidentifyTemplate.
 message CreateDeidentifyTemplateRequest {
   // Required. Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:organizations/[ORGANIZATION-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
-  // - Format:organizations/[ORGANIZATION-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on the scope of the request
+  // (project or organization) and whether you have [specified a processing
+  // location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  // + Organizations scope, location specified:<br/>
+  //   `organizations/`<var>ORG_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Organizations scope, no location specified (defaults to global):<br/>
+  //   `organizations/`<var>ORG_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -3656,10 +3804,25 @@ message GetDeidentifyTemplateRequest {
 // Request message for ListDeidentifyTemplates.
 message ListDeidentifyTemplatesRequest {
   // Required. Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:organizations/[ORGANIZATION-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
-  // - Format:organizations/[ORGANIZATION-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on the scope of the request
+  // (project or organization) and whether you have [specified a processing
+  // location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  // + Organizations scope, location specified:<br/>
+  //   `organizations/`<var>ORG_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Organizations scope, no location specified (defaults to global):<br/>
+  //   `organizations/`<var>ORG_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -3836,10 +3999,25 @@ message StoredInfoType {
 // Request message for CreateStoredInfoType.
 message CreateStoredInfoTypeRequest {
   // Required. Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:organizations/[ORGANIZATION-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
-  // - Format:organizations/[ORGANIZATION-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on the scope of the request
+  // (project or organization) and whether you have [specified a processing
+  // location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  // + Organizations scope, location specified:<br/>
+  //   `organizations/`<var>ORG_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Organizations scope, no location specified (defaults to global):<br/>
+  //   `organizations/`<var>ORG_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -3897,10 +4075,25 @@ message GetStoredInfoTypeRequest {
 // Request message for ListStoredInfoTypes.
 message ListStoredInfoTypesRequest {
   // Required. Parent resource name.
-  // - Format:projects/[PROJECT-ID]
-  // - Format:organizations/[ORGANIZATION-ID]
-  // - Format:projects/[PROJECT-ID]/locations/[LOCATION-ID]
-  // - Format:organizations/[ORGANIZATION-ID]/locations/[LOCATION-ID]
+  //
+  // The format of this value varies depending on the scope of the request
+  // (project or organization) and whether you have [specified a processing
+  // location](/dlp/docs/specifying-location):
+  //
+  // + Projects scope, location specified:<br/>
+  //   `projects/`<var>PROJECT_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Projects scope, no location specified (defaults to global):<br/>
+  //   `projects/`<var>PROJECT_ID</var>
+  // + Organizations scope, location specified:<br/>
+  //   `organizations/`<var>ORG_ID</var>`/locations/`<var>LOCATION_ID</var>
+  // + Organizations scope, no location specified (defaults to global):<br/>
+  //   `organizations/`<var>ORG_ID</var>
+  //
+  // The following example `parent` string specifies a parent project with the
+  // identifier `example-project`, and specifies the `europe-west3` location
+  // for processing data:
+  //
+  //     parent=projects/example-project/locations/europe-west3
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
diff --git a/google/privacy/dlp/v2/storage.proto b/google/privacy/dlp/v2/storage.proto
index b25cf4fe..9098ab32 100644
--- a/google/privacy/dlp/v2/storage.proto
+++ b/google/privacy/dlp/v2/storage.proto
@@ -33,8 +33,8 @@ message InfoType {
   // Name of the information type. Either a name of your choosing when
   // creating a CustomInfoType, or one of the names listed
   // at https://cloud.google.com/dlp/docs/infotypes-reference when specifying
-  // a built-in type. InfoType names should conform to the pattern
-  // `[a-zA-Z0-9_]{1,64}`.
+  // a built-in type.  When sending Cloud DLP results to Data Catalog, infoType
+  // names should conform to the pattern `[A-Za-z0-9$-_]{1,64}`.
   string name = 1;
 }
 
@@ -425,14 +425,16 @@ message CloudStoragePath {
 message BigQueryOptions {
   // How to sample rows if not all rows are scanned. Meaningful only when used
   // in conjunction with either rows_limit or rows_limit_percent. If not
-  // specified, scanning would start from the top.
+  // specified, rows are scanned in the order BigQuery reads them.
   enum SampleMethod {
     SAMPLE_METHOD_UNSPECIFIED = 0;
 
-    // Scan from the top (default).
+    // Scan groups of rows in the order BigQuery provides (default). Multiple
+    // groups of rows may be scanned in parallel, so results may not appear in
+    // the same order the rows are read.
     TOP = 1;
 
-    // Randomly pick the row to start scanning. The scanned rows are contiguous.
+    // Randomly pick groups of rows to scan.
     RANDOM_START = 2;
   }