diff --git a/Part 1.1 - Introduction.md b/Part 1.1 - Introduction.md
index 82eb8eef7e0674cd0d0fc0f4e8040c6b45e32e45..834981d5466e522c2b4bb8e2c2a5720cded72697 100644
--- a/Part 1.1 - Introduction.md	
+++ b/Part 1.1 - Introduction.md	
@@ -371,6 +371,6 @@ Next let's discuss briefly about exeptions and error handling. Sometimes a proce
 It's also good to recognize when an procedures only observes data and when it might modify it. Similarly, for example, printing to a screen and printer changes the physical world irreversibly, even if the computation would be reversed.
 
 
-Part 2 materials and exercises will be published at **May 8th**.
+Part 2 materials and exercises will be published on **May 8th**.