docs: remove colon [skip ci]

README.md

@@ -22,7 +22,7 @@
   - [About](#about)
   - [Key Features](#key-features)
   - [JavaScript Companion Library](#javascript-companion-library)
-  - [Known bugs / limitations:](#known-bugs--limitations)
+  - [Known bugs / limitations](#known-bugs--limitations)
   - [API Documentation](#api-documentation)
     - [Autogenerated text based documentation](#autogenerated-text-based-documentation)
     - [Interactive playground with documentation embedded](#interactive-playground-with-documentation-embedded)
@@ -81,7 +81,7 @@ bun add @favware/graphql-pokemon
 For the usage of the JavaScript Companion Library please see [the autogenerated
 documentation][docs].
 
-## Known bugs / limitations:
+## Known bugs / limitations
 
 - [ ] It is currently not possible to get all data of all Pokémon in one query,
       as the resulting data object is too large for NodeJS to process. This will