Fix typos in boostrap.sh comments, stop using path as a variable name (…

…#32944)

* Fix typos in boostrap.sh comments

* Rename path to submodule_path

scripts/setup/bootstrap.sh

@@ -57,19 +57,19 @@ _install_additional_pip_requirements() {
 }
 
 _submodules_need_updating() {
-  # Validates if a set o submodules that should always be checked out are up to date
+  # Validates if a set of submodules that should always be checked out are up to date.
 
-  # Pigweed will be up to date on an initial setup, however it may change over time
-  # the rest are a small subset of things that are always checked out (have no platform attachment)
+  # Pigweed will be up to date on an initial setup, however it may change over time.
+  # The rest are a small subset of things that are always checked out (have no platform attachment).
   _SUBMODULE_PATHS=(
     "third_party/pigweed/repo"
     "third_party/openthread/repo"
     "third_party/editline/repo"
   )
 
-  for path in "${_SUBMODULE_PATHS[@]}"; do
-    if git submodule status "$path" | grep -E '^-' >/dev/null 2>&1; then 
-      echo "git shows that $path has changes"
+  for submodule_path in "${_SUBMODULE_PATHS[@]}"; do
+    if git submodule status "$submodule_path" | grep -E '^-' >/dev/null 2>&1; then 
+      echo "git shows that $submodule_path has changes"
       unset _SUBMODULE_PATHS
       return 0 # Success
     fi