Correct two versionchanged directives, to improve the 'changes' output
diff --git a/Doc/library/py_compile.rst b/Doc/library/py_compile.rst
index 77ed8cf..40ca588 100644
--- a/Doc/library/py_compile.rst
+++ b/Doc/library/py_compile.rst
@@ -46,8 +46,7 @@
 could not be compiled.
 
 .. versionchanged:: 2.6
-
-   Added the nonzero exit status.
+   Added the nonzero exit status when module is run as a script.
 
 
 .. seealso::