Fix translation for section "Redis Recovery" in 12.4.md

Author: DeepAnchor

en/12.4.md

@@ -178,9 +178,9 @@ Redis is one of the most popular NoSQL databases, and both hot and cold backup t
 
 ## Redis recovery
 
-Redis Recovery divided into hot and cold backup recovery backup and recovery, hot backup and recovery purposes and methods of recovery with MySQL, as long as the modified application of the corresponding database connection.
+Similarly, Redis recovery can be divided into hot and cold backup recovery. The methods and objectives of recovering data from a hot backup of a Redis database  are the same as those mentioned above for MySQL, as long as the Redis application is using the appropriate database connection.   
 
-But sometimes we need to cold backup to recover data, Redis cold backup and recovery is actually just put the saved database file copy to Redis working directory, and then start Redis on it, Redis at boot time will be automatically loaded into the database file memory, the start speed of the database to determine the size of the file.
+A Redis cold backup recovery simply involves copying backed-up database files into the working directory, then starting Redis on it. The database files are automatically loaded into memory at boot time; the speed with which Redis boots will depend on the size of the database files. 
 
 ## Summary