docs: Small clean up in Contributing and Format pages.

Author: microbit-carlos

docs/contributing.md

@@ -6,14 +6,6 @@ nav_order: 5
 
 # Contributing
 
-{: .no_toc }
-
-## Table of contents
-
-{: .no_toc .text-delta }
-
-1. TOC {:toc}
-
 ## How To Contribute
 
 Thanks for looking here! We'd love your help. The micro:bit project is only

docs/uh-format.md

@@ -9,7 +9,8 @@ nav_order: 4
 The micro:bit Universal Hex format is a superset of the
 [Intel Hex file format](https://en.wikipedia.org/wiki/Intel_HEX) designed to be
 able to include data for multiple targets into a single file.
+This allows the creation of a hex file that will work on micro:bit V1 and V2.
 
-This section of the docs is still a Work In Progress. For detailed information
-on the format please visit:
+Detailed information of the Universal Hex format can be found in the
+specification:
 [https://github.com/microbit-foundation/spec-universal-hex](https://github.com/microbit-foundation/spec-universal-hex)