Clarify where examples should be run from
diff --git a/examples/using_cpp_libc.py b/examples/using_cpp_libc.py
index bc529a0..4fdf881 100644
--- a/examples/using_cpp_libc.py
+++ b/examples/using_cpp_libc.py
@@ -25,7 +25,6 @@
         filename = 'examples/c_files/year.c'
 
     ast = parse_file(filename, use_cpp=True,
-            cpp_path='cpp', 
+            cpp_path='cpp',
             cpp_args=r'-Iutils/fake_libc_include')
-    
     ast.show()