diff --git a/Labs/Lab11/README.md b/Labs/Lab11/README.md
index 4bf43fdc80b00aa7eddc767a0022b20698ebc32a..237e967dd7ea89801d0749a6a8a8e0a6dde5fe34 100644
--- a/Labs/Lab11/README.md
+++ b/Labs/Lab11/README.md
@@ -1,6 +1,8 @@
-# Lab 11: Classification
+# Lab 11: Regression
 
-1. Continue working on P5.
+1. Continue working on P5
+
+2. Related lab documents: [SQL](./SQL.md), [Matrix](./counting-cells.md), [Raster](./raster.md)
 
 # Screenshot Requirement
 
diff --git a/Labs/Lab12/SQL.md b/Labs/Lab11/SQL.md
similarity index 100%
rename from Labs/Lab12/SQL.md
rename to Labs/Lab11/SQL.md
diff --git a/Labs/Lab12/counting-cells.md b/Labs/Lab11/counting-cells.md
similarity index 100%
rename from Labs/Lab12/counting-cells.md
rename to Labs/Lab11/counting-cells.md
diff --git a/Labs/Lab12/raster.md b/Labs/Lab11/raster.md
similarity index 100%
rename from Labs/Lab12/raster.md
rename to Labs/Lab11/raster.md
diff --git a/Labs/Lab12/README.md b/Labs/Lab12/README.md
deleted file mode 100644
index 53807fbf3d729d3ed08bf430ade515ba0f91620e..0000000000000000000000000000000000000000
--- a/Labs/Lab12/README.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# Lab 12: Regression
-
-1. Continue working on P5
-
-2. Related lab documents: [SQL](./SQL.md), [Matrix](./counting-cells.md), [Raster](./raster.md)
-
-# Screenshot Requirement
-
-A screenshot that shows your progress
\ No newline at end of file