diff --git a/src/day_3/notes.md b/src/day_3/notes.md
index d23f981..55b9881 100644
--- a/src/day_3/notes.md
+++ b/src/day_3/notes.md
@@ -66,6 +66,15 @@ git commit -m "Your commit message here"
 
 ## git merge
 
+This command is used to combine two branches together. Use git checkout to visit the branch you want to merge to.
+
+```bash
+$ git checkout main
+$ git merge branch2
+```
+
+This will merge the branch "branch2" into the branch, where this command was executed in.(Here: "main")
+
 ## git reset
 
 ## git revert