1 files changed, 5 insertions, 1 deletions
diff --git a/include/grpc++/generic/generic_stub.h b/include/grpc++/generic/generic_stub.h
index 3c11e55001..fdd2377204 100644
--- a/include/grpc++/generic/generic_stub.h
+++ b/include/grpc++/generic/generic_stub.h
@@ -50,7 +50,11 @@ class GenericStub final {
   explicit GenericStub(std::shared_ptr<ChannelInterface> channel)
       : channel_(channel) {}
 
-  /// begin a call to a named method
+  /// Begin a call to a named method \a method usign \a context.
+  /// A tag \a tag will be deliever to \a cq when the call has been started
+  /// (i.e, initial metadata has been sent).
+  /// The return value only indicates whether or not registration of the call
+  /// succeeded (i.e. the call won't proceed if the return value is 0).
   std::unique_ptr<GenericClientAsyncReaderWriter> Call(
       ClientContext* context, const grpc::string& method, CompletionQueue* cq,
       void* tag);