diff --git a/src/core/CCIO.mli b/src/core/CCIO.mli
index ff03520a..f2163b72 100644
--- a/src/core/CCIO.mli
+++ b/src/core/CCIO.mli
@@ -1,6 +1,6 @@
 (* This file is free software, part of containers. See file "license" for more details. *)
 
-(** 1 IO Utils
+(** IO Utils
 
     Simple utilities to deal with basic Input/Output tasks in a resource-safe
     way. For advanced IO tasks, the user is advised to use something