fix ReST error in gridspec guide

ivanov · ivanov · commit 9e1d424db9c3 · 2012-01-12T00:02:23.000-08:00
diff --git a/doc/users/gridspec.rst b/doc/users/gridspec.rst
@@ -134,7 +134,7 @@ A Complex Nested GridSpec using SubplotSpec
 
 Here's a more sophisticated example of nested gridspec where we put
 a box around each cell of the outer 4x4 grid, by hiding appropriate 
-spines in each of the inner 3x3 grids. ::
+spines in each of the inner 3x3 grids.
 
 .. plot:: users/plotting/examples/demo_gridspec06.py
 
