diff --git a/docs/source/index.rst b/docs/source/index.rst
index 79fa0cddb15..c8463c53909 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -73,7 +73,7 @@ Knowledge Base
 ==============
 
 .. toctree::
-   :maxdepth: 3
+   :maxdepth: 1
 
    reference/knowledge_base
 
diff --git a/knowledge_base/MUJOCO_INSTALLATION.md b/knowledge_base/MUJOCO_INSTALLATION.md
index dd080e2774a..2e4b604bb7d 100644
--- a/knowledge_base/MUJOCO_INSTALLATION.md
+++ b/knowledge_base/MUJOCO_INSTALLATION.md
@@ -1,4 +1,4 @@
-## About MuJoCo
+# Working with MuJoCo-based environments
 
 From its [official repository](https://github.com/deepmind/mujoco/),
 > MuJoCo stands for Multi-Joint dynamics with Contact. It is a general purpose 
diff --git a/knowledge_base/PRO-TIPS.md b/knowledge_base/PRO-TIPS.md
index 3749a11b38e..1c294a86e5c 100644
--- a/knowledge_base/PRO-TIPS.md
+++ b/knowledge_base/PRO-TIPS.md
@@ -1,4 +1,4 @@
-# Pro-tips and Debugging
+# Common PyTorch errors and solutions
 
 ## Gradient-related errors \[Newcomers\]