Fixed minor grammatical issues in documentation: Interface Types (#648)

docs/advanced/interface_types.mdx

@@ -36,7 +36,7 @@ print(naval_chat_bot.chat("what did the author say about happiness?"))
 
 #### Dry Run
 
-Dry Run is an option in the `add`, `query` and `chat` methods that allows the user to displays the data chunks and their constructed prompt which is not send to the LLM, to save money. It's used for [testing](/advanced/testing#dry-run).
+Dry Run is an option in the `add`, `query` and `chat` methods that allows the user to display the data chunks and their constructed prompt which is not sent to the LLM, to save money. It's used for [testing](/advanced/testing#dry-run).
 
 
 ### Stream Response