docs: clarify that data is deleted on destroy. Closes dokku/dokku-redis#72

README.md

@@ -25,7 +25,7 @@ redis:backup-unschedule <name> Unschedules the backup of the redis service
 redis:clone <name> <new-name>  Create container <new-name> then copy data from <name> into <new-name>
 redis:connect <name>           Connect via redis-cli to a redis service
 redis:create <name>            Create a redis service with environment variables
-redis:destroy <name>           Delete the service and stop its container if there are no links left
+redis:destroy <name>           Delete the service, delete the data and stop its container if there are no links left
 redis:enter <name> [command]   Enter or run a command in a running redis service container
 redis:export <name> > <file>   Export a dump of the redis service database
 redis:expose <name> [port]     Expose a redis service on custom port if provided (random port otherwise)

subcommands/destroy

@@ -5,7 +5,7 @@ source "$PLUGIN_BASE_PATH/common/functions"
 source "$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/functions"
 
 redis-destroy-cmd() {
-  declare desc="delete the $PLUGIN_SERVICE service and stop its container if there are no links left"
+  declare desc="delete the $PLUGIN_SERVICE service, delete the data and stop its container if there are no links left"
   local cmd="$PLUGIN_COMMAND_PREFIX:destroy" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
   declare SERVICE="$1" FORCE_DESTROY="$2"