Updated Working for Web (HTML5) (markdown)

Working-for-Web-(HTML5).md

@@ -151,7 +151,7 @@ if (EMSCRIPTEN)
 endif ()
 ```
 
-## 3. Build provided examples for the web
+## 3. Build provided examples for the web (optional step)
 
 At this point, if you optionally want to compile the provided examples for the web, there is another Makefile to configure. Make sure all paths to emscripten installation (`EMSDK_PATH`) and emscripten required tools (Clang, Python, Node) are correctly configured on `raylib/examples/Makefile`, you must verify [these lines](https://github.com/raysan5/raylib/blob/master/examples/Makefile#L134).