diff --git a/src/corelib/tools/qmultimap.qdoc b/src/corelib/tools/qmultimap.qdoc
index d3af4e79736..bf7384f3f8b 100644
--- a/src/corelib/tools/qmultimap.qdoc
+++ b/src/corelib/tools/qmultimap.qdoc
@@ -699,6 +699,8 @@
     from the multi map, and returns an iterator to the next item in the
     map.
 
+    \note The iterator \a pos must be valid and dereferenceable.
+
     \sa remove()
 */
 
@@ -710,6 +712,8 @@
     Returns an iterator to the item in the multi map following the last
     removed element.
 
+    \note The range \c {[first, last)} \e must be a valid range in \c {*this}.
+
     \sa remove()
 */