docs: wrong URI in SUBMITTING

CONTRIBUTING.md

@@ -117,9 +117,9 @@ git switch -c new-feature
 
 ### Making changes
 
-You can use your favorite tools to change source code or other files
-in the local copy of the code. When make changes, please follow the
-[Submitting Guidelines](https://github.com/OSGeo/grass/blob/main/doc/development/submitting/submitting.md).
+You can use your favourite tools to change source code or other files
+in the local copy of the code. When making such changes, please follow the
+general [GRASS GIS Programming Style Guide](https://github.com/OSGeo/grass/blob/main/doc/development/style_guide.md).
 
 ### Committing
 

README.md

@@ -78,10 +78,9 @@ Your submission must be compliant with the GRASS
 submission rules as found in the GRASS source code
 and [RFC2 (Legal aspects of submission)](https://github.com/OSGeo/grass/blob/main/doc/development/rfc/legal_aspects_of_code_contributions.md).
 
-Also please read submitting instructions before creating a pull request:
+Also, please read the contributing instructions before creating a pull request:
+<https://github.com/OSGeo/grass-addons/blob/grass8/CONTRIBUTING.md>
 
-<https://github.com/OSGeo/grass/tree/main/doc/development/submitting>
-
-If you aim at becomming code maintainer with full write access, this must be
+If you aim at becoming code maintainer with full write access, this must be
 formally requested, see here for details:
 <https://trac.osgeo.org/grass/wiki/HowToContribute#WriteaccesstotheGRASSaddonsrepository>