Update README.markdown

in mget description, corrected value shown in example.

Author: bplus

README.markdown

@@ -859,7 +859,7 @@ $redis->set('key1', 'value1');
 $redis->set('key2', 'value2');
 $redis->set('key3', 'value3');
 $redis->mGet(array('key1', 'key2', 'key3')); /* array('value1', 'value2', 'value3');
-$redis->mGet(array('key0', 'key1', 'key5')); /* array(`FALSE`, 'value2', `FALSE`);
+$redis->mGet(array('key0', 'key1', 'key5')); /* array(`FALSE`, 'value1', `FALSE`);
 ~~~
 
 ### getSet