fix small mistake on root file rri-101-4.md

drafts/rri-skillstrack/rri-modules/root-files/rri-101-4.md

@@ -19,7 +19,7 @@ slideOptions:
 
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-## Project Design
+## System Development
 
 In this section we will begin by looking at the final four tasks of the project lifecycle model, which are concerned with the system deployment stage.
 For each task, a description is given as well as information about the importance of the typical activities associated with the task, including issues that have an ethical significance.