diff --git a/README.md b/README.md
index caf8b63..fe6cad0 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
     - [ ] `exit`
 - [ ] Special variables
     - [ ] `_`
-    - [ ] `PS1`
+    - [x] `PS1`
     - [ ] Positional variables
     - [ ] `RANDOM`
 - [ ] Handle signals