diff --git a/README.md b/README.md
index 45c3178..704cf7a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 ---
 title: Collapse.Wiki (FR)
-categories: lang=fr
+categories: lang_fr
 ...
 
 ## Bienvenue sur Wiki_Collapse