diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..4bd338f
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+server/manifest.go linguist-generated=true
+webapp/src/manifest.js linguist-generated=true
diff --git a/build/manifest/main.go b/build/manifest/main.go
index cbc96e9..5db5aaa 100644
--- a/build/manifest/main.go
+++ b/build/manifest/main.go
@@ -10,7 +10,9 @@ import (
 	"github.com/pkg/errors"
 )
 
-const pluginIDGoFileTemplate = `package main
+const pluginIDGoFileTemplate = `// This file is automatically generated. Do not modify it manually.
+
+package main
 
 var manifest = struct {
 	ID      string
@@ -21,7 +23,9 @@ var manifest = struct {
 }
 `
 
-const pluginIDJSFileTemplate = `export const id = '%s';
+const pluginIDJSFileTemplate = `// This file is automatically generated. Do not modify it manually.
+
+export const id = '%s';
 export const version = '%s';
 `
 
diff --git a/server/manifest.go b/server/manifest.go
index 19a2ccd..471775b 100644
--- a/server/manifest.go
+++ b/server/manifest.go
@@ -1,3 +1,5 @@
+// This file is automatically generated. Do not modify it manually.
+
 package main
 
 var manifest = struct {
diff --git a/webapp/src/manifest.js b/webapp/src/manifest.js
index a1eefd4..52d1e5b 100644
--- a/webapp/src/manifest.js
+++ b/webapp/src/manifest.js
@@ -1,2 +1,4 @@
+// This file is automatically generated. Do not modify it manually.
+
 export const id = 'com.mattermost.plugin-starter-template';
 export const version = '0.1.0';