Update README.md
diff --git a/README.md b/README.md
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+++ b/README.md
@@ -67,12 +67,12 @@
## Update your repo
-You can update your repo like this:
-```
+You can update your repo like this. The order is important. You must do the `git pull` first because `gclient sync` is dependent on the current revision.
+```YOu
+# Fetch changes from upstream and rebase the current branch on top
$ git pull --rebase
-(fetch changes from upstream and rebase the current branch on top)
+# Update all modules as directed by the DEPS file
$ gclient sync
-(update all modules as directed by the DEPS file)
```
You do not need to rerun `gn gen out/Debug` or `mojo/tools/mojob.py gn`. Ninja will do so automatically as needed.
