diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 1bbd5612e3d08809c01d6ab6bd3fbe9de296dbb4..52346ec25613de96d815b025817059cacb6c6c5b 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -1,8 +1,10 @@
-# GRPC CocoaPods podspec
-# This file has been automatically generated from a template file. Please make modifications to
-# `templates/gRPC-Core.podspec.template` instead. This file can be regenerated from the template by
-# running `tools/buildgen/generate_projects.sh`.
+# This file has been automatically generated from a template file.
+# Please make modifications to `templates/gRPC-Core.podspec.template`
+# instead. This file can be regenerated from the template by running
+# `tools/buildgen/generate_projects.sh`.
 
+# gRPC Core CocoaPods podspec
+#
 # Copyright 2015, Google Inc.
 # All rights reserved.
 #
diff --git a/gRPC-ProtoRPC.podspec b/gRPC-ProtoRPC.podspec
index 964d1840c231011deb230989530d263d01545d34..04f60ecba612489c22cc591fa2d75cec6a96cebf 100644
--- a/gRPC-ProtoRPC.podspec
+++ b/gRPC-ProtoRPC.podspec
@@ -1,3 +1,9 @@
+# This file has been automatically generated from a template file.
+# Please make modifications to
+# `templates/gRPC-ProtoRPC.podspec.template` instead. This file can be
+# regenerated from the template by running
+# `tools/buildgen/generate_projects.sh`.
+
 # Copyright 2015, Google Inc.
 # All rights reserved.
 #
diff --git a/gRPC-RxLibrary.podspec b/gRPC-RxLibrary.podspec
index eca3ab3d75e1606327a192f96769b99885b55040..af5c4654da54809f1a7ed8c2444824b8b873c97f 100644
--- a/gRPC-RxLibrary.podspec
+++ b/gRPC-RxLibrary.podspec
@@ -1,3 +1,9 @@
+# This file has been automatically generated from a template file.
+# Please make modifications to
+# `templates/gRPC-RxLibrary.podspec.template` instead. This file can be
+# regenerated from the template by running
+# `tools/buildgen/generate_projects.sh`.
+
 # Copyright 2015, Google Inc.
 # All rights reserved.
 #
diff --git a/gRPC.podspec b/gRPC.podspec
index 77efd0fc6ae6e74ad9a8ac04420b333a07ab5f29..fde91a013aa4d10c47958b9547fb070d17af92b1 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -1,3 +1,8 @@
+# This file has been automatically generated from a template file.
+# Please make modifications to `templates/gRPC.podspec.template`
+# instead. This file can be regenerated from the template by running
+# `tools/buildgen/generate_projects.sh`.
+
 # Copyright 2015, Google Inc.
 # All rights reserved.
 #
diff --git a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
index 51bc044ec66be908636add0cbbd7c4ebf8a6a135..b1fa8545db003e0f139722642ee6cc04eb5d61c9 100644
--- a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
+++ b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
@@ -1,5 +1,11 @@
-# CocoaPods podspec for the gRPC Proto Compiler Plugin
+# This file has been automatically generated from a template file.
+# Please make modifications to
+# `templates/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec.template`
+# instead. This file can be regenerated from the template by running
+# `tools/buildgen/generate_projects.sh`.
 
+# CocoaPods podspec for the gRPC Proto Compiler Plugin
+#
 # Copyright 2016, Google Inc.
 # All rights reserved.
 #
diff --git a/src/objective-c/GRPCClient/private/version.h b/src/objective-c/GRPCClient/private/version.h
index 973c206f9cb1e04f8c79b203e56dbd4c5a67c490..c848f10aaa15f73d19f24de29eb6e6c1189f3886 100644
--- a/src/objective-c/GRPCClient/private/version.h
+++ b/src/objective-c/GRPCClient/private/version.h
@@ -31,4 +31,7 @@
  *
  */
 
+/* This file is autogenerated from template:
+ * templates/src/objective-c/GRPCClient/private/version.h.template */
+
 #define GRPC_OBJC_VERSION_STRING @"1.1.0-pre1"
diff --git a/templates/gRPC-Core.podspec.template b/templates/gRPC-Core.podspec.template
index baa9f5497da07b65e4e4c48d3073bef707f9cce2..18dabb9603b67a46c02293c6851b9d0a20f6a522 100644
--- a/templates/gRPC-Core.podspec.template
+++ b/templates/gRPC-Core.podspec.template
@@ -1,10 +1,12 @@
 %YAML 1.2
 --- |
-  # GRPC CocoaPods podspec
-  # This file has been automatically generated from a template file. Please make modifications to
-  # `templates/gRPC-Core.podspec.template` instead. This file can be regenerated from the template by
-  # running `tools/buildgen/generate_projects.sh`.
+  # This file has been automatically generated from a template file.
+  # Please make modifications to `templates/gRPC-Core.podspec.template`
+  # instead. This file can be regenerated from the template by running
+  # `tools/buildgen/generate_projects.sh`.
 
+  # gRPC Core CocoaPods podspec
+  #
   # Copyright 2015, Google Inc.
   # All rights reserved.
   #
diff --git a/templates/gRPC-ProtoRPC.podspec.template b/templates/gRPC-ProtoRPC.podspec.template
index 4b507d217c085fa714ac24d341ed0b15952c8550..5d7d90d2318c31b1f1122d2648feccdd5ec65c2b 100644
--- a/templates/gRPC-ProtoRPC.podspec.template
+++ b/templates/gRPC-ProtoRPC.podspec.template
@@ -1,5 +1,11 @@
 %YAML 1.2
 --- |
+  # This file has been automatically generated from a template file.
+  # Please make modifications to
+  # `templates/gRPC-ProtoRPC.podspec.template` instead. This file can be
+  # regenerated from the template by running
+  # `tools/buildgen/generate_projects.sh`.
+
   # Copyright 2015, Google Inc.
   # All rights reserved.
   #
diff --git a/templates/gRPC-RxLibrary.podspec.template b/templates/gRPC-RxLibrary.podspec.template
index 99a40730fa2b2f4aa6c1fc61278154554b16ecc7..35a06c8a856332fdbe86e72392cf9eece1dffae9 100644
--- a/templates/gRPC-RxLibrary.podspec.template
+++ b/templates/gRPC-RxLibrary.podspec.template
@@ -1,5 +1,11 @@
 %YAML 1.2
 --- |
+  # This file has been automatically generated from a template file.
+  # Please make modifications to
+  # `templates/gRPC-RxLibrary.podspec.template` instead. This file can be
+  # regenerated from the template by running
+  # `tools/buildgen/generate_projects.sh`.
+
   # Copyright 2015, Google Inc.
   # All rights reserved.
   #
diff --git a/templates/gRPC.podspec.template b/templates/gRPC.podspec.template
index 8ccd1867dd0ad82b2a1c332a0c5d1db843a35097..d33ce277dc33e1fc44b4fbf15752bbb209ac7b5e 100644
--- a/templates/gRPC.podspec.template
+++ b/templates/gRPC.podspec.template
@@ -1,5 +1,10 @@
 %YAML 1.2
 --- |
+  # This file has been automatically generated from a template file.
+  # Please make modifications to `templates/gRPC.podspec.template`
+  # instead. This file can be regenerated from the template by running
+  # `tools/buildgen/generate_projects.sh`.
+
   # Copyright 2015, Google Inc.
   # All rights reserved.
   #
diff --git a/templates/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec.template b/templates/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec.template
index 6c45fb45c0417eaecd6c8011867502a6707e9b73..80420af7db2fceb54fc19bbca6622a9da9d87e44 100644
--- a/templates/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec.template
+++ b/templates/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec.template
@@ -1,7 +1,13 @@
 %YAML 1.2
 --- |
-  # CocoaPods podspec for the gRPC Proto Compiler Plugin
+  # This file has been automatically generated from a template file.
+  # Please make modifications to
+  # `templates/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec.template`
+  # instead. This file can be regenerated from the template by running
+  # `tools/buildgen/generate_projects.sh`.
 
+  # CocoaPods podspec for the gRPC Proto Compiler Plugin
+  #
   # Copyright 2016, Google Inc.
   # All rights reserved.
   #
diff --git a/templates/src/objective-c/GRPCClient/private/version.h.template b/templates/src/objective-c/GRPCClient/private/version.h.template
index 07df286c8b47fd9e539dd6dd5e5ac2af3e5bbd8a..453604bdaac303f9957da8c01b3a23258da476e1 100644
--- a/templates/src/objective-c/GRPCClient/private/version.h.template
+++ b/templates/src/objective-c/GRPCClient/private/version.h.template
@@ -32,5 +32,8 @@
    * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    */
-  
+
+  /* This file is autogenerated from template:
+   * templates/src/objective-c/GRPCClient/private/version.h.template */
+
   #define GRPC_OBJC_VERSION_STRING @"${settings.version}"