message: Fixed target name in documentation
diff: @@ -381,7 +381,7 @@ auto-generated for any target you can compile using the main Make system, using
  a command like this (making sure you've run `download_dependencies.sh` first):
  ```
  -make -f tensorflow/lite/experimental/micro/tools/make/Makefile TARGET=mbed TAGS="CMSIS disco_f746ng" generate_micro_speech_main_test_mbed_project
  +make -f tensorflow/lite/experimental/micro/tools/make/Makefile TARGET=mbed TAGS="CMSIS disco_f746ng" generate_micro_speech_mbed_project
  ```
  This will create a folder in
  