diff --git a/pveum.adoc b/pveum.adoc
index 147f317..6a0ad17 100644
--- a/pveum.adoc
+++ b/pveum.adoc
@@ -403,7 +403,8 @@ easily used in attribute values in DNs without being escaped properly.
 
 Following characters need escaping:
 
-* Space ( )
+* Space ( ) at the beginning or end
+* Number sign (`#`) at the beginning
 * Comma (`,`)
 * Plus sign (`+`)
 * Double quote (`"`)