capitalization nit

diff --git a/Doc/library/_ast.rst b/Doc/library/_ast.rst
index 80b8a37273f4bbbe73774e0a0ea8bb4a69c1d126..c123d0a9b3242b545cd6b1abbf37eff404190224 100644 (file)
--- a/Doc/library/_ast.rst
+++ b/Doc/library/_ast.rst
@@ -78,7 +78,7 @@ Abstract Grammar
 ----------------
 
 The module defines a string constant ``__version__`` which is the decimal
-subversion revision number of the file shown below.
+Subversion revision number of the file shown below.
 
 The abstract grammar is currently defined as follows: