diff --git a/ajax/libs/intro.js/package.json b/ajax/libs/intro.js/package.json
index bad68cbc3..8001dc339 100644
--- a/ajax/libs/intro.js/package.json
+++ b/ajax/libs/intro.js/package.json
@@ -5,7 +5,7 @@
   "version": "0.2.1",
   "keywords": [
     "intro.js",
-    " step-by-step guide",
+    "step-by-step guide",
     "introductions"
   ],
   "maintainers": [