diff --git a/lispref/windows.texi b/lispref/windows.texi
index cdc4ada392f..2869508f9c2 100644
--- a/lispref/windows.texi
+++ b/lispref/windows.texi
@@ -419,7 +419,8 @@ The return value is @var{window}.
 
 @defmac save-selected-window forms@dots{}
 This macro records the selected window, executes @var{forms}
-in sequence, then restores the earlier selected window.
+in sequence, then restores the earlier selected window (unless that
+window is no longer alive).
 
 This macro does not save or restore anything about the sizes, arrangement
 or contents of windows; therefore, if the @var{forms} change them,