diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index c05cc4102e4..c1eb23bc64f 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2008-12-21  Martin Rudalics  <rudalics@gmx.at>
+
+	* window.el (set-window-text-height): Fix doc-string.
+
 2008-12-21  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* minibuffer.el (completion-all-completions-with-base-size): Remove.
diff --git a/lisp/window.el b/lisp/window.el
index ed97c61f434..53ec4a665db 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -1210,7 +1210,7 @@ The selected window remains selected.  Return the new window."
 
 
 (defun set-window-text-height (window height)
-  "Sets the height in lines of the text display area of WINDOW to HEIGHT.
+  "Set the height in lines of the text display area of WINDOW to HEIGHT.
 HEIGHT doesn't include the mode line or header line, if any, or
 any partial-height lines in the text display area.