Merge pull request #32 from KissBalazs/patch-1

Update README.md to emphasis the import in the MAIN module

README.md

@@ -48,7 +48,7 @@ Import `NgxTippyModule`:
 import { NgxTippyModule } from 'ngx-tippy-wrapper';
 ```
 
-Then in your base module:
+Then in your main module:
 
 ```ts
 @NgModule({