**What - what changes are in this PR**
Typo on the homepage in the codeTabs
**Why - why are these changes relevant**
Simple typo that might be bothering more people than just me!
**How - how have the changes been implemented**
Fixed the typo from: `notificaitonModuleService` to `notificationModuleService`
**Testing - how has the changes been tested or how can the reviewer test the feature**
Should be simple enough not to require full testing locally!