diff --git a/README.md b/README.md
index 686ca5d4..6e6c2d8e 100644
--- a/README.md
+++ b/README.md
@@ -2068,7 +2068,7 @@ Other Style Guides
 ## Whitespace
 
   <a name="whitespace--spaces"></a><a name="18.1"></a>
-  - [18.1](#whitespace--spaces) Use soft tabs set to 2 spaces. eslint: [`indent`](http://eslint.org/docs/rules/indent.html) jscs: [`validateIndentation`](http://jscs.info/rule/validateIndentation)
+  - [18.1](#whitespace--spaces) Use soft tabs (space character) set to 2 spaces. eslint: [`indent`](http://eslint.org/docs/rules/indent.html) jscs: [`validateIndentation`](http://jscs.info/rule/validateIndentation)
 
     ```javascript
     // bad