Docs: Minor correction in documentation (#24306)

docs/sources/installation/troubleshooting.md

@@ -27,7 +27,7 @@ For more on the query inspector read the Grafana Community article [Using Grafan
 
 ## Logging
 
-If you encounter an error or problem, then you can check the Grafana server log. Usually located at `/var/log/grafana/grafana.log` on Unix systems or in `<grafana_install_dir>/data/log` on other platforms and manual installs.
+If you encounter an error or problem, then you can check the Grafana server log. Usually located at `/var/log/grafana/grafana.log` on Unix systems or in `<grafana_install_dir>/data/log` on other platforms and manual installations.
 
 You can enable more logging by changing log level in the Grafana configuration file.