diff --git a/README.md b/README.md
index 600c2e54d..f3753abe0 100644
--- a/README.md
+++ b/README.md
@@ -264,7 +264,7 @@ import gym_minigrid
 
 ## Colab Notebook: Try it Online!
 
-You can train agents online using [colab notebook](https://colab.research.google.com/github/Stable-Baselines-Team/rl-colab-notebooks/blob/sb3/rl-baselines-zoo.ipynb).
+You can train agents online using [Colab notebook](https://colab.research.google.com/github/Stable-Baselines-Team/rl-colab-notebooks/blob/sb3/rl-baselines-zoo.ipynb).
 
 ### Passing arguments in an interactive session
 
diff --git a/docs/guide/quickstart.rst b/docs/guide/quickstart.rst
index d527bb189..a36599893 100644
--- a/docs/guide/quickstart.rst
+++ b/docs/guide/quickstart.rst
@@ -6,12 +6,12 @@ Getting Started
 
 .. note::
 
-  You can try the following examples online using Google colab |colab|
+  You can try the following examples online using Google Colab |Colab|
   notebook: `RL Baselines zoo notebook`_
 
 
 .. _RL Baselines zoo notebook: https://colab.research.google.com/github/Stable-Baselines-Team/rl-colab-notebooks/blob/sb3/rl-baselines-zoo.ipynb
-.. |colab| image:: ../_static/img/colab.svg
+.. |Colab| image:: ../_static/img/colab.svg
 
 
 The hyperparameters for each environment are defined in