Review Firestore Protos (#13380)

Firestore/Protos/README.md

@@ -17,7 +17,7 @@ make -j generate_protos
 Verify diffs, make sure tests still pass, and create a PR.
 
 ### Updating to a new nanopb version:
-  * Modify verion in [nanopb.cmake](cmake/external/nanopb.cmake).
+  * Modify version in [nanopb.cmake](cmake/external/nanopb.cmake).
   * Build.
   * Note build failure.
   * Plug expected hash into [nanopb.cmake](cmake/external/nanopb.cmake).

Firestore/Protos/protos/google/api/http.proto

@@ -33,7 +33,7 @@ message Http {
   // **NOTE:** All service configuration rules follow "last one wins" order.
   repeated HttpRule rules = 1;
 
-  // When set to true, URL path parmeters will be fully URI-decoded except in
+  // When set to true, URL path parameters will be fully URI-decoded except in
   // cases of single segment matches in reserved expansion, where "%2F" will be
   // left encoded.
   //