Fixed typos

Author: pborreli

README.md

@@ -564,7 +564,7 @@
     + **Undefined** evaluates to **false**
     + **Null** evaluates to **false**
     + **Booleans** evaluate to **the value of the boolean**
-    + **Numbers** evalute to **false** if **+0, -0, or NaN**, otherwise **true**
+    + **Numbers** evaluate to **false** if **+0, -0, or NaN**, otherwise **true**
     + **Strings** evaluate to **false** if an empty string `''`, otherwise **true**
 
     ```javascript