Make minor grammar fix

Author: James-Livesey

docs/en/l10n.md

@@ -1,5 +1,5 @@
 # Localisation (l10n)
-Being a large project, LiveG OS and gShell require many aspects of the system to be localised. Due to its modular nature, gShell has multiple l10n files that need to be localised, including the separate l10n files for each system app. This page serves as a guide for how and where to localise LiveG OS and gShell. You can learn more about [l10n in Adapt UI](https://docs.liveg.tech/?product=adaptui&page=localising-apps.md) by visiting its documentation.
+Being large projects, LiveG OS and gShell require many aspects of the system to be localised. Due to its modular nature, gShell has multiple l10n files that need to be localised, including the separate l10n files for each system app. This page serves as a guide for how and where to localise LiveG OS and gShell. You can learn more about [l10n in Adapt UI](https://docs.liveg.tech/?product=adaptui&page=localising-apps.md) by visiting its documentation.
 
 Here is a list of l10n files that need translating in gShell, as well as other files that would need translating in different repos: