Fix typo

roles/matrix-synapse/defaults/main.yml

@@ -201,7 +201,7 @@ matrix_synapse_federation_domain_whitelist: ~
 #
 # Note: internally, this uses the `-v` flag for mounting the specified volumes.
 # It's better (safer) to use the `--mount` flag for mounting volumes.
-# To use `--mount`, specifiy it in `matrix_synapse_container_extra_arguments`.
+# To use `--mount`, specify it in `matrix_synapse_container_extra_arguments`.
 # Example: `matrix_synapse_container_extra_arguments: ['--mount type=bind,src=/outside,dst=/inside,ro']
 matrix_synapse_container_additional_volumes: []