Update README.md

README.md

@@ -41,11 +41,11 @@ did not expect, for such a scenario Rasa provides a
 > option to either respond with a default message or attempt to disambiguate the
 > user input.
 
-Using the mechanism the bot can ask fallback and search through the reviews
+Using the mechanism the bot can ask a fallback action and search through the reviews
 uploaded in [Zir-AI](https://zir-ai.com) with the help of
 [custom actions](https://rasa.com/docs/rasa/custom-actions). If the reviews have
 the relavent information, it is shown as a result otherwise if the confidence of
-the question to review matching is low, we fallback to a generic statement.
+the question to reviews available is low, we fallback to a generic statement.
 
 The end results sums up to be this: