Fix RST syntax of some tables

Author: javiereguiluz

messenger.rst

@@ -976,7 +976,7 @@ The transport has a number of options:
 Options defined under ``options`` take precedence over ones defined in the DSN.
 
 ==================  ===================================  ======================
-     Option         Description                          Default
+Option              Description                          Default
 ==================  ===================================  ======================
 table_name          Name of the table                    messenger_messages
 queue_name          Name of the queue (a column in the   default
@@ -1011,7 +1011,7 @@ A number of options can be configured via the DSN or via the ``options`` key
 under the transport in ``messenger.yaml``:
 
 ==================  =====================================  =========================
-     Option               Description                      Default
+Option              Description                            Default
 ==================  =====================================  =========================
 stream              The Redis stream name                  messages
 group               The Redis consumer group name          symfony