Trailing full stop is confusing
Sample code is not differentiated enough to disambiguate the full stop at the end of the line.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4c260f6..a379bbf 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -49,10 +49,10 @@
* Add `.../engine/src/third_party/dart-sdk/dart-sdk/bin/` to your path so that you can run the `pub` tool more easily.
* Add `.../engine/src/third_party/android_tools/sdk/platform-tools` to your path so that you can run the `adb` tool more easily. This is also required by the `flutter` tool, which is used to run Flutter apps.
* Make sure you are still in the `src` directory that the `gclient sync` step created earlier.
- * If you're on Linux, run `sudo ./build/install-build-deps-android.sh` .
- * If you're on Linux, run `sudo ./build/install-build-deps.sh` .
+ * If you're on Linux, run `sudo ./build/install-build-deps-android.sh`
+ * If you're on Linux, run `sudo ./build/install-build-deps.sh`
* If you're on Mac, install Oracle's Java JDK, version 1.7 or later.
- * If you're on Mac, install `ant`: `brew install ant` .
+ * If you're on Mac, install `ant`: `brew install ant`
Building and running the code
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