fix typos

kokoro/linux/aarch64/dockcross_helpers/run_dockcross_manylinux2014_aarch64.sh

@@ -19,7 +19,7 @@ sed -i 's/\r//g' dockcross-manylinux2014-aarch64.sh
 # The dockcross wrapper script runs arbitrary commands under the selected dockcross
 # image with the following properties which make its use very convenient:
 # * the current working directory is mounted under /work so the container can easily
-#   access the curent workspace
+#   access the current workspace
 # * the processes in the container run under the same UID and GID as the host process so unlike
 #   vanilla "docker run" invocations, the workspace doesn't get polluted with files
 #   owned by root.

kokoro/linux/aarch64/python_run_tests_with_qemu_aarch64.sh

@@ -25,4 +25,4 @@ ${PYTHON} -m auditwheel show dist/protobuf-*-manylinux2014_aarch64.whl
 # step 3: smoketest that the wheel can be installed and run a smokecheck
 ${PYTHON} -m pip install dist/protobuf-*-manylinux2014_aarch64.whl
 # when python cpp extension is on, simply importing a message type will trigger loading the cpp extension
-PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=cpp ${PYTHON} -c 'import google.protobuf.timestamp_pb2; print("Successfuly loaded the python cpp extension!")'
+PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=cpp ${PYTHON} -c 'import google.protobuf.timestamp_pb2; print("Successfully loaded the python cpp extension!")'