update dev install instructions

ianhi · web-flow · commit 0b9bcf7a8223 · 2021-09-27T22:58:47.000-04:00
diff --git a/README.md b/README.md
@@ -19,5 +19,5 @@ pip install mpl_point_clicker
 
 
 ```bash
-pip install -e ".[dev]"
+pip install -e ".[test, doc]"
 ```
