Remove trailing whitespace.
diff --git a/Doc/documenting/markup.rst b/Doc/documenting/markup.rst
index b3f5a4a..80b43b9 100644
--- a/Doc/documenting/markup.rst
+++ b/Doc/documenting/markup.rst
@@ -508,7 +508,7 @@
    curly braces to indicate a "variable" part, as in ``:file:``.
 
    If you don't need the "variable part" indication, use the standard
-   ````code```` instead.   
+   ````code```` instead.
 
 .. describe:: var
 
@@ -767,7 +767,7 @@
    don't have to escape ``*`` or ``|`` characters.
 
 
-.. XXX describe optional first parameter 
+.. XXX describe optional first parameter
 
 The following is an example taken from the Python Reference Manual::