Respecify pre-req

Author: waciumawanjohi

README.md

@@ -174,7 +174,7 @@ Courses | Duration | Effort | Prerequisites | Discussion
 [Programming Languages, Part C](https://www.coursera.org/learn/programming-languages-part-c) | 3 weeks | 4-8 hours/week | Programming Languages, Part B | [chat](https://discord.gg/8EZUVbA)
 [Class-based Program Design](https://course.ccs.neu.edu/cs2510sp22/index.html) | 13 weeks | 5-10 hours/week | Systematic Program Design, High School Math | [chat](https://discord.com/channels/744385009028431943/891411727294562314)
 [Object-Oriented Design](https://course.ccs.neu.edu/cs3500f19/) | 13 weeks | 5-10 hours/week | Class Based Program Design | [chat](https://discord.com/channels/744385009028431943/891412022120579103)
-[Software Architecture](https://www.coursera.org/learn/software-architecture) | 4 weeks | 2-5 hours/week | Design Patterns | [chat](https://discord.com/channels/744385009028431943/891412169638432788)
+[Software Architecture](https://www.coursera.org/learn/software-architecture) | 4 weeks | 2-5 hours/week | Object Oriented Design | [chat](https://discord.com/channels/744385009028431943/891412169638432788)
 
 ### Core math
 Discrete math (Math for CS) is a prerequisite and closely related to the study of algorithms and data structures. Calculus both prepares students for discrete math and helps students develop mathematical maturity.