Update README.md

Author: zq99

README.md

@@ -155,7 +155,7 @@ For coding issues, use the following line, to go through the code.
 oOpenAI.IsLogOutputRequired True
 ```
 
-The entire framework can be tested for breaking changes using the `mdTest_OpenAI` module. Simply run the proceedure `RunAllTests`.
+The entire framework can be tested for breaking changes using the `mdTest_OpenAI` module. Simply run the procedure `RunAllTests`.
 
 ## Contributing
 Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.