diff --git a/src/main/java/redis/clients/jedis/BinaryJedis.java b/src/main/java/redis/clients/jedis/BinaryJedis.java
index 6b6c626f05..48f76dbbb2 100644
--- a/src/main/java/redis/clients/jedis/BinaryJedis.java
+++ b/src/main/java/redis/clients/jedis/BinaryJedis.java
@@ -84,8 +84,8 @@ public String quit() {
     }
 
     /**
-     * Test if the specified key exists. The command returns "0" if the key
-     * exists, otherwise "1" is returned. Note that even keys set with an empty
+     * Test if the specified key exists. The command returns "1" if the key
+     * exists, otherwise "0" is returned. Note that even keys set with an empty
      * string as value will return "1".
      * 
      * Time complexity: O(1)
@@ -3007,4 +3007,4 @@ public void psubscribe(BinaryJedisPubSub jedisPubSub, byte[]... patterns) {
     public Long getDB() {
         return client.getDB();
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/redis/clients/jedis/Jedis.java b/src/main/java/redis/clients/jedis/Jedis.java
index 497277db90..936ee4f455 100644
--- a/src/main/java/redis/clients/jedis/Jedis.java
+++ b/src/main/java/redis/clients/jedis/Jedis.java
@@ -77,8 +77,8 @@ public String quit() {
 
     /**
      * Test if the specified key exists. The command returns "1" if the key
-     * exists, otherwise "1" is returned. Note that even keys set with an empty
-     * string as value will return "0".
+     * exists, otherwise "0" is returned. Note that even keys set with an empty
+     * string as value will return "1".
      * 
      * Time complexity: O(1)
      *