Update annotation generator comments

Signed-off-by: Ryan Nett <[email protected]>

Author: rnett

tensorflow-core/tensorflow-core-generator/src/main/java/org/tensorflow/op/generator/ClassGenerator.java

@@ -1054,7 +1054,7 @@ private Set<TypeVariableName> buildInputsClass() {
     return typeVars;
   }
 
-  /** Adds the GeneratedOpMetadata annotation */
+  /** Adds the GeneratedOpMetadata annotation to the op class. */
   private void addInputsMetadataAnnotation() {
     builder.addAnnotation(
         AnnotationSpec.builder(Names.GeneratedOpMetadata)
@@ -1063,7 +1063,7 @@ private void addInputsMetadataAnnotation() {
             .build());
   }
 
-  /** Adds the GeneratedOpInputsMetadata annotation */
+  /** Adds the GeneratedOpInputsMetadata annotation to the op input class. */
   private void addInputsMetadataAnnotation(TypeSpec.Builder inputsBuilder) {
     inputsBuilder.addAnnotation(
         AnnotationSpec.builder(Names.GeneratedOpInputsMetadata)