Apply suggestions from code review

Co-authored-by: bernard-avalabs <53795885+bernard-avalabs@users.noreply.github.com>
Co-authored-by: cam-schultz <78878559+cam-schultz@users.noreply.github.com>
Signed-off-by: F. Eugene Aumson <feuGeneA@users.noreply.github.com>

proto/README.md

@@ -1,10 +1,10 @@
 Protobuf linting and generation for this project is managed by
 [buf](https://github.com/bufbuild/buf).
 
-Please find installation instructions on
+Please find installation instructions at
 [https://docs.buf.build/installation/](https://docs.buf.build/installation/).
 
-Any changes made to proto definition can be updated by running
+When changes are made to the proto definition, the generated source code can be updated by running
 `protobuf_codegen.sh` located in the `scripts/` directory of this repo.
 
 Introduction to `buf`