chore: Address PR comments

Author: lqiu96

docs/endpoint.md

@@ -3,7 +3,7 @@ Google Client libraries will automatically resolve an endpoint to connect to Goo
 The default resolved endpoint will be to Google servers (i.e. `https://speech.googleapis.com:443`).
 
 ## Anatomy of an Endpoint
-Using the default Java-Speech endpoint as an example: `https://speech.googleapis.com:443`:
+Using the default java-speech endpoint as an example: `https://speech.googleapis.com:443`:
 
 | Scheme   	| Service Name 	| Universe Domain 	| Port 	|
 |----------	|--------------	|-----------------	|------	|
@@ -17,7 +17,7 @@ Default values for Java SDK Client libraries:
 Note: Service Name does not have a default value and is different for each cloud service.
 
 ## Configuring a Specific Endpoint
-There are two ways to configure the endpoint in Java Client Libraries: ServiceSettings and
+There are two ways to configure the endpoint in Java Cloud Client Libraries: ServiceSettings and
 TransportChannelProvider.
 
 ### (Recommended) Set through the generated {Service}Settings

docs/universe_domain.md

@@ -83,5 +83,5 @@ keyManagementServiceClient.getSettings().getUniverseDomain();
 Currently, DirectPath code only works in the GDU. If the Universe Domain is configured to not be in the
 GDU, DirectPath will not be used.
 ### ... GDC-H
-Universe Domain is incompatible with GDC-H. Do not set the Universe Domain if you are using GDC-H
-Credentials.
+Universe Domain is incompatible with [GDC-H](https://cloud.google.com/distributed-cloud/hosted/docs/latest/gdch/overview).
+Do not set the Universe Domain if you are using GDC-H Credentials.