Merge pull request #9723 from vyper/patch-1

Fix class name on documentation
diff --git a/src/ruby/lib/grpc/generic/client_stub.rb b/src/ruby/lib/grpc/generic/client_stub.rb
index 6934257..d8de0be 100644
--- a/src/ruby/lib/grpc/generic/client_stub.rb
+++ b/src/ruby/lib/grpc/generic/client_stub.rb
@@ -84,7 +84,7 @@
     # channel:
     #
     # - :channel_override
-    # when present, this must be a pre-created GRPC::Channel.  If it's
+    # when present, this must be a pre-created GRPC::Core::Channel.  If it's
     # present the host and arbitrary keyword arg areignored, and the RPC
     # connection uses this channel.
     #