ReST fix: missing backtick

Fixes a misrendering at http://docs.sqlalchemy.org/en/latest/dialects/mssql.html#nullability:

diff --git a/lib/sqlalchemy/dialects/mssql/base.py b/lib/sqlalchemy/dialects/mssql/base.py
index f50c8d3ab2ca96048a99316e1e6cb124a1e132b1..051efa719167acff1f51773d44810f2073cd1c9e 100644 (file)
--- a/lib/sqlalchemy/dialects/mssql/base.py
+++ b/lib/sqlalchemy/dialects/mssql/base.py
@@ -255,7 +255,7 @@ render::
     name VARCHAR(20)
 
 If ``nullable`` is ``True`` or ``False`` then the column will be
-``NULL` or ``NOT NULL`` respectively.
+``NULL`` or ``NOT NULL`` respectively.
 
 Date / Time Handling
 --------------------