docs(typo): fix configuration typo (#1148)

docs/docs/installation.md

@@ -16,7 +16,7 @@ HassOS users can install via the addon repository. Frigate requires an MQTT serv
 1. Navigate to Supervisor > Add-on Store > Repositories
 2. Add https://github.com/blakeblackshear/frigate-hass-addons
 3. Setup your network configuration in the `Configuration` tab if deisred
-4. Create the file `frigate.yml` in your `config` directory with your detailed Frigate conifguration
+4. Create the file `frigate.yml` in your `config` directory with your detailed Frigate configuration
 5. Start the addon container
 6. If you are using hardware acceleration for ffmpeg, you will need to disable "Protection mode"