Rename the Interactive Debugger section to Using Test Values.

doc/tutorial/debug_faq.txt

@@ -17,13 +17,13 @@ Isolating the problem/Testing Theano compiler
 You can run your Theano function in a DebugMode(:ref:`using_debugmode`). This test the Theano optimizations and help to find where NaN, inf and other problem come from.
 
 
-Interactive Debugger
---------------------
+Using Test Values
+-----------------
 
 As of v.0.4.0, Theano has a new mechanism by which graphs are executed
 on-the-fly, before a theano.function is ever compiled. Since optimizations
-haven't been applied at this stage, it is easy for the user to locate the
-source of this bug. This functionality is enabled through the config flag
+haven't been applied at this stage, it is easier for the user to locate the
+source of some bug. This functionality is enabled through the config flag
 ``theano.config.compute_test_value``. Its use is best shown through the
 following example.