Update repo-tool.md

Author: narendasan

_til/git/repo-tool.md

@@ -5,7 +5,7 @@ category: git
 
 When getting into more complicated software development, you will usually end
 up having code split in mulitple repos. Groot, Merch and the GPU Cluster
-are all examples of moduluar projects with multiple repos. 
+are all examples of modular projects with multiple repos. 
 
 There are a couple ways to manage all the repos you use. Git submodules are one
 and they are really good for vendoring code that you don't actively develop in