Update dev.md

problem-of-the-day/day17/dev.md

@@ -26,4 +26,4 @@ Each layer in the OSI model serves a specific function, and together they provid
 There is a question paper available at [Acadmia](https://www.academia.edu/23026253/CCNA_OSI_Model_Questions), featuring OSI model questions filtered from CCNA exams. 
 CCNA questions are significant because they come from standardized exams by CISCO, an influential player in the networking industry (and a top recruiter!!!).
 
-This is to give a slight overview of OSI, we will be covering Networking Protocols in OSI in detail in the upcoming week. Stay tuned...
+This is to give a slight overview of OSI, we will be covering Networking Protocols related to OSI in detail next week. So, Stay tuned...