documentation fixes

Author: cgdt

README.md

@@ -148,8 +148,8 @@ Unusual events that prevent an operation from completing successfully include:
 * API usage errors
 * other unexpected events (like out of memory situations)
 
-> *NOTE*: Use this as a development and debugging aid only. Your application should not rely on a calling sequence or any arguments in addition to the
-unicode message being set or passed to the callback.
+> **NOTE**: Use this as a development and debugging aid only. Your application should not rely on a calling sequence or any message content being set
+or passed to the callback.
 
 ```python
 def _diag_callback(unicode_message):

src/oneagent/sdk/__init__.py

@@ -378,7 +378,7 @@ def set_diagnostic_callback(self, callback):
           an operation from completing successfully.
 
         .. warning:: Use this as a development and debugging aid only. Your application should not
-            rely on a calling sequence or any arguments being set or passed to the callback.
+            rely on a calling sequence or any message content being set or passed to the callback.
 
         :param callable callback: The callback function. Receives the (unicode)
             error message as its only argument.