diff --git a/sources/reference/usage/discover.md b/sources/reference/usage/discover.md
index 7a71e096..915a3a77 100644
--- a/sources/reference/usage/discover.md
+++ b/sources/reference/usage/discover.md
@@ -23,10 +23,9 @@ Options:
   --help                 Show this message and exit.
 ```
 
-A tutorial on how to use the `chaos discover` command is available as part of the 
-[Chaos Toolkit's Getting Started tutorials.](https://www.katacoda.com/chaostoolkit/courses/01-chaostoolkit-getting-started)
 
-### Discovering capabilities and experiments 
+
+### Discovering capabilities and experiments 
 
 To execute `discover` all you need to do is specify the Chaos Toolkit integration
 extension that you'd like to use, for example to use Kubernetes:
diff --git a/sources/reference/usage/init.md b/sources/reference/usage/init.md
index e905bccf..45140903 100644
--- a/sources/reference/usage/init.md
+++ b/sources/reference/usage/init.md
@@ -23,8 +23,7 @@ Options:
   --help                  Show this message and exit.
 ```
 
-A tutorial on how to use the `chaos init` command is available as part of the 
-[Chaos Toolkit's Getting Started tutorials.](https://www.katacoda.com/chaostoolkit/courses/01-chaostoolkit-getting-started)
+
 
 ### Initialise a new experiment 
 
diff --git a/sources/reference/usage/report.md b/sources/reference/usage/report.md
index 5a8d4f05..fdeabb81 100644
--- a/sources/reference/usage/report.md
+++ b/sources/reference/usage/report.md
@@ -25,8 +25,6 @@ Options:
   --help                Show this message and exit.
 ```
 
-A tutorial on how to use the `chaos report` command is available as part of the 
-[Chaos Toolkit's Getting Started tutorials.](https://www.katacoda.com/chaostoolkit/courses/01-chaostoolkit-getting-started)
 
 ### Generating a report
 
diff --git a/sources/reference/usage/run.md b/sources/reference/usage/run.md
index 3baa48b0..da14ffc8 100644
--- a/sources/reference/usage/run.md
+++ b/sources/reference/usage/run.md
@@ -53,10 +53,8 @@ Options:
   --help                          Show this message and exit.
 ```
 
-A tutorial on how to use the `chaos run` command is available as part of the 
-[Chaos Toolkit's Getting Started tutorials.](https://www.katacoda.com/chaostoolkit/courses/01-chaostoolkit-getting-started)
 
-### Executing an Experiment Plan
+### Executing an Experiment Plan
 
 To execute an experiment plan you simply pass it to the `chaos run` command: