Merge pull request #115 from maddenp/master

Fix link to tracing doc in Performance.md

docs/Performance.md

@@ -136,4 +136,4 @@ Occasionally, I receive a question about whether there's a *best* way to write i
 
 11. As of version 1.2, the enlive output format is slightly faster than hiccup.  This may change in the future, so I don't recommend that you base your choice of output format on this slight differential.  However, if you're trying to eke out the best possible performance, you might find it useful to experiment with both output formats to see whether one performs better for you than the other.
 
-12. As of version 1.4, instaparse has a way to print a trace of the parser's execution process, as well as some profiling information which can be useful to detmerine whether your parser behaves linearly with respect to the size of the input.  [Read about the new tracing feature here.](https://github.com/Engelberg/instaparse/blob/master/docs/ABNF.md)
+12. As of version 1.4, instaparse has a way to print a trace of the parser's execution process, as well as some profiling information which can be useful to detmerine whether your parser behaves linearly with respect to the size of the input.  [Read about the new tracing feature here.](https://github.com/Engelberg/instaparse/blob/master/docs/Tracing.md)