Fixed spelling mistakes

data/stories.yml

@@ -1,5 +1,5 @@
 # This file presents stories or the conversations likely to happen 
-# with the user. Stories are also training data for the bot to stich intents
+# with the user. Stories are also training data for the bot to stitch intents
 # with actions & to behave more like a human.
 version: "2.0"
 

domain.yml

@@ -1,5 +1,5 @@
 # This file binds the different aspects of your bot together. 
-# Stories, intents, actions e.t.c are all declared here to be used.
+# Stories, intents, actions etc. are all declared here to be used.
 # To learn more https://rasa.com/docs/rasa/domain/
 version: "2.0"