Fixed rpush and lpush documents

Author: i2bskn

lib/redis.rb

@@ -1041,7 +1041,7 @@ def llen(key)
   # Prepend one or more values to a list, creating the list if it doesn't exist
   #
   # @param [String] key
-  # @param [String, Array] value string value, or array of string values to push
+  # @param [String, Array<String>] value string value, or array of string values to push
   # @return [Fixnum] the length of the list after the push operation
   def lpush(key, value)
     synchronize do |client|
@@ -1063,7 +1063,7 @@ def lpushx(key, value)
   # Append one or more values to a list, creating the list if it doesn't exist
   #
   # @param [String] key
-  # @param [String] value
+  # @param [String, Array<String>] value string value, or array of string values to push
   # @return [Fixnum] the length of the list after the push operation
   def rpush(key, value)
     synchronize do |client|