diff --git a/advanced/part2/README.md b/advanced/part2/README.md
index f938a5c..fb636c3 100644
--- a/advanced/part2/README.md
+++ b/advanced/part2/README.md
@@ -1,6 +1,6 @@
 # Part 2
 
-To build everything, `cd` into this `part1/` directory and run:
+To build everything, `cd` into this `part2/` directory and run:
 
 ```shell
 elm make src/Main.elm --output=../server/public/elm.js
diff --git a/advanced/part3/README.md b/advanced/part3/README.md
index 5f79041..f0dbd98 100644
--- a/advanced/part3/README.md
+++ b/advanced/part3/README.md
@@ -1,6 +1,6 @@
 # Part 3
 
-To build everything, `cd` into this `part1/` directory and run:
+To build everything, `cd` into this `part3/` directory and run:
 
 ```shell
 elm make src/Main.elm --output=../server/public/elm.js