diff --git a/README.md b/README.md
index 7dff4675..9c6ba702 100644
--- a/README.md
+++ b/README.md
@@ -402,7 +402,7 @@
     const name = 'Capt. Janeway';
     ```
 
-  - [6.2](#6.2) <a name='6.2'></a> Strings longer than 80 characters should be written across multiple lines using string concatenation.
+  - [6.2](#6.2) <a name='6.2'></a> Strings longer than 100 characters should be written across multiple lines using string concatenation.
   - [6.3](#6.3) <a name='6.3'></a> Note: If overused, long strings with concatenation could impact performance. [jsPerf](http://jsperf.com/ya-string-concat) & [Discussion](https://github.com/airbnb/javascript/issues/40).
 
     ```javascript
diff --git a/es5/README.md b/es5/README.md
index fcab6035..f961d8e0 100644
--- a/es5/README.md
+++ b/es5/README.md
@@ -194,7 +194,7 @@
     var fullName = 'Bob ' + this.lastName;
     ```
 
-  - Strings longer than 80 characters should be written across multiple lines using string concatenation.
+  - Strings longer than 100 characters should be written across multiple lines using string concatenation.
   - Note: If overused, long strings with concatenation could impact performance. [jsPerf](http://jsperf.com/ya-string-concat) & [Discussion](https://github.com/airbnb/javascript/issues/40).
 
     ```javascript