diff --git a/8_2_Building_a_Bitcoin_Script_with_P2SH.md b/8_3_Building_a_Bitcoin_Script_with_P2SH.md
similarity index 98%
rename from 8_2_Building_a_Bitcoin_Script_with_P2SH.md
rename to 8_3_Building_a_Bitcoin_Script_with_P2SH.md
index 43fa4bb..9e88091 100644
--- a/8_2_Building_a_Bitcoin_Script_with_P2SH.md
+++ b/8_3_Building_a_Bitcoin_Script_with_P2SH.md
@@ -1,4 +1,4 @@
-# 8.2: Building a Bitcoin Script with P2SH
+# 8.3: Building a Bitcoin Script with P2SH
 
 > **NOTE:** This is a draft in progress, so that I can get some feedback from early reviewers. It is not yet ready for learning.