diff --git a/src/day_3/notes.md b/src/day_3/notes.md
index 2a0586a..d0abaf8 100644
--- a/src/day_3/notes.md
+++ b/src/day_3/notes.md
@@ -29,6 +29,11 @@ git add --all
 if you want to stage all changes.
 
 ## git commit
+this command is used to record the changes you've made to the repository as a new commit. A commit is a snapshot of the changes you've staged (using `git add`) and is accompanied by a commit message that describes the purpose of the changes you are committing.
+
+Usage of `git commit`:
+
+    git commit -m "Your commit message here"
 
 ## git log