diff --git a/doc/haproxy.1 b/doc/haproxy.1
index cc9c702..73c2aee 100644
--- a/doc/haproxy.1
+++ b/doc/haproxy.1
@@ -35,8 +35,8 @@
 .TP
 \fB\-f <configuration file|dir>\fP
 Specify configuration file or directory path. If the argument is a directory
-the files (and only files) it containes are added in lexical order (respecting
-LC_COLLATE) ; only non hidden files with ".cfg" extension are added.
+the files (and only files) it containes are added in lexical order (using
+LC_COLLATE=C) ; only non hidden files with ".cfg" extension are added.
 
 .TP
 \fB\-L <name>\fP