Update CONTRIBUTING.md

Co-authored-by: Moritz <[email protected]>

Author: devoncarew

CONTRIBUTING.md

@@ -68,4 +68,4 @@ early on.
 so.
 
 ## Updating protobuf definitions
-Sometimes we might need to update the generated dart files from the protos included in `lib/src/protos`. To do this, run the script `tool/regenerate.sh` from the project root and it will update the generated dart files in `lib/src/geneerated`.
+Sometimes we might need to update the generated dart files from the protos included in `lib/src/protos`. To do this, run the script `tool/regenerate.sh` from the project root and it will update the generated dart files in `lib/src/generated`.