Update GettingStarted.md

Author: mousetraps

docs/GettingStarted.md

@@ -97,13 +97,13 @@ in our early stages, and any feedback you have is much appreciated :smiley:.
 
 ## Play around with the AST!
 In order to help you get a sense for the features and shape of the tree, 
-we've also included a [Syntax Visualizer Tool](syntax-visualizer/client#php-parser-syntax-visualizer-tool)
+we've also included a [Syntax Visualizer Tool](../syntax-visualizer/client#php-parser-syntax-visualizer-tool)
 that makes use of the parser to both visualize the tree and provide error tooltips.
 ![image](https://cloud.githubusercontent.com/assets/762848/21635753/3f8c0cb8-d214-11e6-8424-e200d63abc18.png)
 
 ![image](https://cloud.githubusercontent.com/assets/762848/21705272/d5f2f7d8-d373-11e6-9688-46ead75b2fd3.png)
 
-If you see something that looks off, please file an issue, or better yet, contribute as a test case. See [Contributing.md](Contributing.md) for more details.
+If you see something that looks off, please file an issue, or better yet, contribute as a test case. See [Contributing.md](../Contributing.md) for more details.
 
 ## Next Steps
 Check out the [Syntax Overview](Overview.md) section for more information on key attributes of the parse tree,