Fix wording.

Author: taylorotwell

validation.md

@@ -305,7 +305,7 @@ The field under validation must be formatted as an IP address.
 <a name="rule-max"></a>
 #### max:_value_
 
-The field under validation must be less than a maximum _value_. Strings, numerics, and files are evaluated in the same fashion as the `size` rule.
+The field under validation must be less than or equal to a maximum _value_. Strings, numerics, and files are evaluated in the same fashion as the `size` rule.
 
 <a name="rule-mimes"></a>
 #### mimes:_foo_,_bar_,...