Fixed typo in change log

Author: kmvanbrunt

CHANGELOG.md

@@ -4,7 +4,8 @@
     `Cmd2AttributeWrapper` objects named `cmd2_statement` and `cmd2_handler`. This makes it
     easy to filter out which attributes in an `argparse.Namespace` were added by `cmd2`.
 * Deprecations
-    * ``Namespace.__statement__`` will be removed in `cmd2` 2.0.0. Use `Namespace.get_statement()` going forward.
+    * ``Namespace.__statement__`` will be removed in `cmd2` 2.0.0. Use `Namespace.cmd2_statement.get()`
+    going forward.
 
 ## 1.3.5 (August 25, 2020)
 * Bug Fixes