diff --git a/tools/make-chromium-meta.py b/tools/make-chromium-meta.py
index f88dda0bf..b8e639f45 100644
--- a/tools/make-chromium-meta.py
+++ b/tools/make-chromium-meta.py
@@ -25,7 +25,7 @@ manifest_out['version'] = version
 # Development build? If so, modify name accordingly.
 match = re.search('^\d+\.\d+\.\d+\.\d+$', version)
 if match:
-    dev_build = ' dev build'
+    dev_build = ' development build'
     manifest_out['name'] += dev_build
     manifest_out['short_name'] += dev_build
     manifest_out['browser_action']['default_title'] += dev_build