diff --git a/doc/qtcreator/src/howto/creator-help.qdoc b/doc/qtcreator/src/howto/creator-help.qdoc
index e4d7ec9a705..af152620c38 100644
--- a/doc/qtcreator/src/howto/creator-help.qdoc
+++ b/doc/qtcreator/src/howto/creator-help.qdoc
@@ -47,6 +47,9 @@
             is not available, the tooltip displays type information for the
             symbol.
 
+        \li To display tooltips for function signatures regardless of the
+            cursor position in the function call, press \key {Ctrl+Shift+D}.
+
         \li To display the full help on a Qt class or function, press \key F1 or
             select \uicontrol {Context Help} in the context menu.
             The documentation is displayed in a
diff --git a/doc/qtcreator/src/howto/creator-keyboard-shortcuts.qdoc b/doc/qtcreator/src/howto/creator-keyboard-shortcuts.qdoc
index 1890005bb2e..31ba7cf46b8 100644
--- a/doc/qtcreator/src/howto/creator-keyboard-shortcuts.qdoc
+++ b/doc/qtcreator/src/howto/creator-keyboard-shortcuts.qdoc
@@ -310,6 +310,10 @@
         \row
             \li  Trigger a completion in this scope
             \li  Ctrl+Space
+        \row
+            \li  Display tooltips for function signatures regardless of the
+                 cursor position in the function call
+            \li  Ctrl+Shift+D
         \row
             \li  Copy line
             \li  Ctrl+Ins