diff --git a/google/logging/v2/logging_gapic.yaml b/google/logging/v2/logging_gapic.yaml
index cb64a77b..d0fce1bd 100644
--- a/google/logging/v2/logging_gapic.yaml
+++ b/google/logging/v2/logging_gapic.yaml
@@ -28,6 +28,7 @@ license_header:
 collections:
 - name_pattern: projects/{project}
   entity_name: project
+  # C#: Already GA, do not use common resource name for 'project'
 - name_pattern: projects/{project}/logs/{log}
   entity_name: log
   language_overrides:
@@ -105,6 +106,7 @@ interfaces:
   collections:
   - name_pattern: projects/{project}
     entity_name: project
+    # C#: Already GA, do not use common resource name for 'project'
   - name_pattern: projects/{project}/sinks/{sink}
     entity_name: sink
   - name_pattern: projects/{project}/exclusions/{exclusion}
@@ -303,6 +305,7 @@ interfaces:
   collections:
   - name_pattern: projects/{project}
     entity_name: project
+    # C#: Already GA, do not use common resource name for 'project'
   - name_pattern: projects/{project}/metrics/{metric}
     entity_name: metric
   retry_codes_def:
@@ -414,6 +417,7 @@ interfaces:
   collections:
   - name_pattern: projects/{project}
     entity_name: project
+    # C#: Already GA, do not use common resource name for 'project'
   - name_pattern: projects/{project}/logs/{log}
     entity_name: log
   retry_codes_def:
diff --git a/google/monitoring/v3/monitoring_gapic.yaml b/google/monitoring/v3/monitoring_gapic.yaml
index fb747cf9..45bf4b58 100644
--- a/google/monitoring/v3/monitoring_gapic.yaml
+++ b/google/monitoring/v3/monitoring_gapic.yaml
@@ -26,6 +26,7 @@ interfaces:
   collections:
   - name_pattern: projects/{project}
     entity_name: project
+    # C#: Already GA, do not use common resource name for 'project'
   - name_pattern: projects/{project}/alertPolicies/{alert_policy}
     entity_name: alert_policy
   - name_pattern: projects/{project}/alertPolicies/{alert_policy}/conditions/{condition}
@@ -131,6 +132,7 @@ interfaces:
   collections:
   - name_pattern: projects/{project}
     entity_name: project
+    # C#: Already GA, do not use common resource name for 'project'
   - name_pattern: projects/{project}/groups/{group}
     entity_name: group
   retry_codes_def:
@@ -255,6 +257,7 @@ interfaces:
   collections:
   - name_pattern: projects/{project}
     entity_name: project
+    # C#: Already GA, do not use common resource name for 'project'
   - name_pattern: projects/{project}/metricDescriptors/{metric_descriptor=**}
     entity_name: metric_descriptor
   - name_pattern: projects/{project}/monitoredResourceDescriptors/{monitored_resource_descriptor}
@@ -423,6 +426,7 @@ interfaces:
   collections:
   - name_pattern: projects/{project}
     entity_name: project
+    # C#: Already GA, do not use common resource name for 'project'
   - name_pattern: projects/{project}/notificationChannels/{notification_channel}
     entity_name: notification_channel
   - name_pattern: projects/{project}/notificationChannelDescriptors/{channel_descriptor}
@@ -563,6 +567,7 @@ interfaces:
   collections:
   - name_pattern: projects/{project}
     entity_name: project
+    # C#: Already GA, do not use common resource name for 'project'
   - name_pattern: projects/{project}/uptimeCheckConfigs/{uptime_check_config}
     entity_name: uptime_check_config
   retry_codes_def: