diff --git a/README.md b/README.md
index 5abb5fe..1be25cd 100644
--- a/README.md
+++ b/README.md
@@ -286,7 +286,7 @@ expect(actualValue, 'should contains foo, bar')
 
 ### Do not use ternary inside ternary - no nested ternary
 
-It's really hard to maintain such code
+> Reason: it's really hard to maintain such code
 
 ```javascript
 // BAD
@@ -300,6 +300,27 @@ if (foo < bar) {
     result = foo > baz ? 'FOO' : baz;
 }
 ```
+### Don't use else, if return stops function execution before
+> Reason: it's necessary and makes code cleaner
+```javascript
+// BAD
+const foo = () => {
+    if (isBar) {
+        return 'bar';
+    } else {
+        return 'baz';
+    }
+}
+
+// GOOD
+const foo = () => {
+    if (isBar) {
+        return 'bar';
+    }
+    
+    return 'baz';
+}
+```
 
 ### Make function calls clear and predictable
 
@@ -426,7 +447,7 @@ Do not leave console calls in your code
 
 ### Do not exceed 120 column width
 
-> Reason: It's hard to read and maintain
+> Reason: it's hard to read and maintain
 
 Exception: long links and international strings can exceed that limitation
 
diff --git a/eslint-config-ringcentral/index.js b/eslint-config-ringcentral/index.js
index fab9408..d39ef43 100644
--- a/eslint-config-ringcentral/index.js
+++ b/eslint-config-ringcentral/index.js
@@ -140,6 +140,9 @@ module.exports = {
         // http://eslint.org/docs/rules/no-with
         'no-with': 'error',
 
+        // https://eslint.org/docs/rules/no-else-return
+        'no-else-return': 'error',
+
         // require one `var` or `let` or 'const` for each variable/const. disallow multiple declarations
         // http://eslint.org/docs/rules/one-var
         'one-var': ['error', 'never'],