diff --git a/src/objective-c/GRPCClient/private/version.h b/src/objective-c/GRPCClient/private/version.h
index c848f10aaa15f73d19f24de29eb6e6c1189f3886..23b804a9dae655e1a9e415df662aba7bf07f8ecc 100644
--- a/src/objective-c/GRPCClient/private/version.h
+++ b/src/objective-c/GRPCClient/private/version.h
@@ -31,7 +31,10 @@
  *
  */
 
-/* This file is autogenerated from template:
- * templates/src/objective-c/GRPCClient/private/version.h.template */
+/* This file is autogenerated from a template file. Please make
+ * modifications to
+ * `templates/src/objective-c/GRPCClient/private/version.h.template`
+ * instead. This file can be regenerated from the template by running
+ * `tools/buildgen/generate_projects.sh`. */
 
 #define GRPC_OBJC_VERSION_STRING @"1.1.0-pre1"
diff --git a/templates/src/objective-c/GRPCClient/private/version.h.template b/templates/src/objective-c/GRPCClient/private/version.h.template
index 453604bdaac303f9957da8c01b3a23258da476e1..5f41379a064fd620227a9f0a5f0b95b10b58ed52 100644
--- a/templates/src/objective-c/GRPCClient/private/version.h.template
+++ b/templates/src/objective-c/GRPCClient/private/version.h.template
@@ -33,7 +33,10 @@
    *
    */
 
-  /* This file is autogenerated from template:
-   * templates/src/objective-c/GRPCClient/private/version.h.template */
+  /* This file is autogenerated from a template file. Please make
+   * modifications to
+   * `templates/src/objective-c/GRPCClient/private/version.h.template`
+   * instead. This file can be regenerated from the template by running
+   * `tools/buildgen/generate_projects.sh`. */
 
   #define GRPC_OBJC_VERSION_STRING @"${settings.version}"