diff --git a/CodingStandards.md b/CodingStandards.md
index c25271b..e17b970 100644
--- a/CodingStandards.md
+++ b/CodingStandards.md
@@ -10,7 +10,7 @@ Tahoe requires Python v2.4.2 or greater. No effort should be made to offer compa
 ### naming and layout
 
  * Use `underscore_separated_names` for functions, `CamelCapNames` for classes, `alllowercasenames` for modules, and `ALL_CAPS_NAMES` for constants. Use all lower-case variable names (e.g. `variable_name` or `variablename`). Prepend a leading underscore to private names.
- * Put parenthesis around tuples if it helps make the code more readable, leave them off it not.
+ * Put parenthesis around tuples if it helps make the code more readable, leave them off if not.
 
 ### comments, idioms, miscellany, license