diff --git a/generated/google-apis-analyticsadmin_v1alpha/CHANGELOG.md b/generated/google-apis-analyticsadmin_v1alpha/CHANGELOG.md
index a892d6225..3cedb5b60 100644
--- a/generated/google-apis-analyticsadmin_v1alpha/CHANGELOG.md
+++ b/generated/google-apis-analyticsadmin_v1alpha/CHANGELOG.md
@@ -1,8 +1,9 @@
 # Release history for google-apis-analyticsadmin_v1alpha
 
-### v0.2.0 (2021-01-14)
+### v0.2.0 (2021-01-21)
 
-* Regenerated from discovery document revision 20210113
+* Regenerated from discovery document revision 20210120
+* Regenerated using generator version 0.1.2
 
 ### v0.1.0 (2021-01-07)
 
diff --git a/generated/google-apis-analyticsadmin_v1alpha/lib/google/apis/analyticsadmin_v1alpha/gem_version.rb b/generated/google-apis-analyticsadmin_v1alpha/lib/google/apis/analyticsadmin_v1alpha/gem_version.rb
index 36e6bf5ef..7da281fd4 100644
--- a/generated/google-apis-analyticsadmin_v1alpha/lib/google/apis/analyticsadmin_v1alpha/gem_version.rb
+++ b/generated/google-apis-analyticsadmin_v1alpha/lib/google/apis/analyticsadmin_v1alpha/gem_version.rb
@@ -19,10 +19,10 @@ module Google
       GEM_VERSION = "0.2.0"
 
       # Version of the code generator used to generate this client
-      GENERATOR_VERSION = "0.1.1"
+      GENERATOR_VERSION = "0.1.2"
 
       # Revision of the discovery document this client was generated from
-      REVISION = "20210113"
+      REVISION = "20210120"
     end
   end
 end
diff --git a/generated/google-apis-analyticsadmin_v1alpha/lib/google/apis/analyticsadmin_v1alpha/service.rb b/generated/google-apis-analyticsadmin_v1alpha/lib/google/apis/analyticsadmin_v1alpha/service.rb
index c01906170..f88fac2d5 100644
--- a/generated/google-apis-analyticsadmin_v1alpha/lib/google/apis/analyticsadmin_v1alpha/service.rb
+++ b/generated/google-apis-analyticsadmin_v1alpha/lib/google/apis/analyticsadmin_v1alpha/service.rb
@@ -847,7 +847,12 @@ module Google
           execute_or_queue_command(command, &block)
         end
         
-        # Creates an android app stream with the specified location and attributes.
+        # Creates an Android app stream with the specified location and attributes. Note
+        # that an Android app stream must be linked to a Firebase app to receive traffic.
+        # To create a working app stream, make sure your property is linked to a
+        # Firebase project. Then, use the Firebase API to create a Firebase app, which
+        # will also create an appropriate data stream in Analytics (may take up to 24
+        # hours).
         # @param [String] parent
         #   Required. The parent resource where this android app data stream will be
         #   created. Format: properties/123
@@ -1315,7 +1320,11 @@ module Google
           execute_or_queue_command(command, &block)
         end
         
-        # Creates an iOS app data stream with the specified location and attributes.
+        # Creates an iOS app stream with the specified location and attributes. Note
+        # that an iOS app stream must be linked to a Firebase app to receive traffic. To
+        # create a working app stream, make sure your property is linked to a Firebase
+        # project. Then, use the Firebase API to create a Firebase app, which will also
+        # create an appropriate data stream in Analytics (may take up to 24 hours).
         # @param [String] parent
         #   Required. The parent resource where this ios app data stream will be created.
         #   Format: properties/123
diff --git a/generated/google-apis-analyticsadmin_v1alpha/synth.metadata b/generated/google-apis-analyticsadmin_v1alpha/synth.metadata
index 545e239af..d7fec48fe 100644
--- a/generated/google-apis-analyticsadmin_v1alpha/synth.metadata
+++ b/generated/google-apis-analyticsadmin_v1alpha/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "eb9699a7d942b0ba0d1b600f50563f6ec8d2f7c9"
+        "sha": "855bd31be1ea84f9a208ab6d4aa65d944ef969bf"
       }
     }
   ]