diff --git a/README.md b/README.md
index c5060ef96de854f8b5ea5f79de12b2680b0d26f2..c0da4eff2093b358705fd77d6def36ffe6150c8e 100644
--- a/README.md
+++ b/README.md
@@ -147,7 +147,7 @@ Instructor: [Romain Vuillemot](romain.vuillemot@ec-lyon.fr)
 ### Lecture 7 - **Binary trees**
 
 - Data structures (arrays, adjacency lists)
-- Converting between tree representations
+- Convertion between tree representations
 - Tree traversal techniques (preorder, inorder, postorder, level-order)
 
 <details>
@@ -159,15 +159,15 @@ Instructor: [Romain Vuillemot](romain.vuillemot@ec-lyon.fr)
 </details>
 
 
-### Lab 7 - **Binary trees**
+### Lab 7 - **Exercises**
 
 ---
 
 ### Lecture 8 - **Trees**
 
 - Data structures (arrays, adjacency lists)
-- Converting between tree representations
-- Tree traversal techniques (preorder, inorder, postorder, level-order)
+- Tree properties checks
+- Tree traversal methods (depth-first search, breadth-first search)
 
 <details>
 <summary>📖 </summary>
@@ -179,8 +179,7 @@ Instructor: [Romain Vuillemot](romain.vuillemot@ec-lyon.fr)
 </details>
 
 
-### Lab 8 - **Trees**
-
+### Lab 8 - **Exercises**
 
 ---
 
@@ -202,7 +201,7 @@ Instructor: [Romain Vuillemot](romain.vuillemot@ec-lyon.fr)
 
 </details>
 
-### Lab 9
+### Lab 9 - **Exercises**
 
 ---
 
@@ -219,7 +218,7 @@ Instructor: [Romain Vuillemot](romain.vuillemot@ec-lyon.fr)
 
 </details>
 
-### Lab 10
+### Lab 10 - **Exercises**
 
 ---
 
@@ -234,12 +233,10 @@ Instructor: [Romain Vuillemot](romain.vuillemot@ec-lyon.fr)
 
 </details>
 
-### Lab 11
+### Lab 11 - **Exercises**
 
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-
-
 ### Exam
 
 - Final written exam on paper