diff --git a/README.md b/README.md
index 041767e..61db69e 100644
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@@ -20,6 +20,7 @@
     - `git checkout <commit>` ➔ `DETACHED HEAD` problem, __changes__ __files__
     - interaction with branches: `git branch <branch_name>` + `git switch <branch_name>` 
 - `git gui`: building commits along the way interactively (for the *mess around* type of workflows)
+- check out these [sketches](git-commands-visualizations.pdf) for a graphical visualization of git commands!
 
 ## The Open Source model
 - remotes: `git pull <from_where> <what>`, `git push <where> <what>`, `git fetch <from_where> <what>`, `git merge <another_branch>`