Add a space to make json doc a bit more readable
diff --git a/Doc/library/json.rst b/Doc/library/json.rst
index 6bb48e8..48acaf1 100644
--- a/Doc/library/json.rst
+++ b/Doc/library/json.rst
@@ -34,7 +34,7 @@
 Compact encoding::
 
     >>> import json
-    >>> json.dumps([1,2,3,{'4': 5, '6': 7}], separators=(',',':'))
+    >>> json.dumps([1,2,3,{'4': 5, '6': 7}], separators=(',', ':'))
     '[1,2,3,{"4":5,"6":7}]'
 
 Pretty printing::