mention the kind of logs we visualize

Author: fijal

docs/index.rst

@@ -12,7 +12,7 @@ VMProf Platform
 
 `vmprof`_ is a platform to understand and resolve performance bottlenecks in your code.
 It includes a *lightweight profiler* for `CPython`_ 2.7, `CPython`_ 3 and `PyPy`_
-and a log visualizer for `PyPy`_.
+and an assembler log visualizer for `PyPy`_.
 
 The following provides more information about CPU profiles and JIT Compiler Logs: