Minor rewording

docs/configuring-playbook-synapse-auto-compressor.md

@@ -2,7 +2,7 @@
 
 The playbook can install and configure [synapse_auto_compressor](https://github.com/matrix-org/rust-synapse-compress-state/#automated-tool-synapse_auto_compressor) for you.
 
-It's a cli tool that automatically compresses `state_groups` database table in background.
+It's a CLI tool that automatically compresses Synapse's `state_groups` database table in the background.
 
 See the project's [documentation](https://github.com/matrix-org/rust-synapse-compress-state/#automated-tool-synapse_auto_compressor) to learn what it does and why it might be useful to you.
 
@@ -27,10 +27,10 @@ ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start
 
 ## Usage
 
-After installation, synapse_auto_compressor will run automatically every day by the defined schedule
+After installation, `synapse_auto_compressor` will run automatically every day at `00:00:00` (as defined in `matrix_synapse_auto_compressor_calendar` by default).
 
 ## Manually start the tool
 
 For testing your setup it can be helpful to not wait until 00:00. If you want to run the tool immediately, log onto the server
-and run `systemctl start matrix-synapse-auto-compressor`. This will not return until the run is done, so possibly a long time.
+and run `systemctl start matrix-synapse-auto-compressor`. Running this command will not return control to your terminal until the compression run is done, which may take a long time.
 Consider using [tmux](https://en.wikipedia.org/wiki/Tmux) if your SSH connection is unstable.