[fix] documentation about update-searxng.rst

docs/admin/update-searxng.rst

@@ -132,4 +132,5 @@ to see if there are some left overs.  In this example there exists a *old*
    INFO:  [OK] (old) account 'filtron' does not exists
    INFO:  [OK] (old) account 'morty' does not exists
    ...
-   INFO    searx.redisdb            : connected redis DB --> default
+   INFO    searx.redisdb                 : connecting to Redis db=0 path='/usr/local/searxng-redis/run/redis.sock'
+   INFO    searx.redisdb                 : connected to Redis