Small fix in blocking-nonblocking.rst
@@ -35,7 +35,7 @@ Response has to be processed in event callback function.
.. warning::
Due to internal architecture, it is only allowed to call API functions in *non-blocking mode* from events or callbacks.
- Any attempt to do so will result in function returning error.
+ Any attempt not to do so will result in function returning error.
Example code:
