Update docs/adr/0005-use-google-python-style-guide.md

Co-authored-by: Joshua Lock <[email protected]>

Author: lukpueh

docs/adr/0005-use-google-python-style-guide.md

@@ -28,7 +28,7 @@ Chosen option: "Use Google style guide with refinements", because the Google
 style guide is a comprehensive, well-established style guide that is mostly
 based on PEP-8 and was accepted by everyone on the TUF team. There is no need
 to replicate these recommendations. However, we do provide a very slim document
-with additional refinements, in order to emphasize on items the we consider
+with additional refinements, in order to emphasize items the we consider
 especially important, want to be handled differently, or in one specific way,
 where the Google guide would allow multiple.