diff --git a/topics/os/fork_102.md b/topics/os/fork_102.md
index c41dd6d..084c664 100644
--- a/topics/os/fork_102.md
+++ b/topics/os/fork_102.md
@@ -1,4 +1,4 @@
-## Fork 101
+## Fork 102
 
 Answer the questions given the following program (without running it):