diff --git a/config.yml b/config.yml
index 4c11284caaf69fd01c07f0686a109eb317b6b6d1..c98b339bed294fc131917b17b29eb62f1079b295 100644
--- a/config.yml
+++ b/config.yml
@@ -41,7 +41,7 @@ params:
   opencollective:       "https://opencollective.com/bootstrap"
   blog:                 "https://blog.getbootstrap.com/"
   expo:                 "https://expo.getbootstrap.com/"
-  themes:               "https://themes.getbootstrap.com"
+  themes:               "https://themes.getbootstrap.com/"
 
   download:
     source:             "https://github.com/twbs/bootstrap/archive/v4.3.1.zip"