diff --git a/instructions_custom_topics.md b/instructions_custom_topics.md
index 097fa68..26adfd9 100644
--- a/instructions_custom_topics.md
+++ b/instructions_custom_topics.md
@@ -8,22 +8,22 @@ For this at least two packages will be required:
 The CMake package is required because the custom msg/srv/act files cannot be created inside the python package as this is not supported yet.  
 
 __Table of Content__  
-* [CMake Package (eg. /pubsub_msg)](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#cmake-package-eg-pubsub_msg)  
-  * [Create CMake Package](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#1-create-cmake-package)
-  * [Create Message Files](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#2-create-message-files)
-  * [Configure CMakeLists.txt](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#3-configure-cmakeliststxt)
-  * [Configure package.xml](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#4-configure-packagexml)
-  * [Build Package](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#5-build-package)
-  * [Source newly built workspace](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#6-source-newly-built-workspace)
-  * [Check functionality](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#7-check-functionality)
-* [Python Package (eg. /pubsub)](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#python-package-eg-pubsub)
-  * [Create Python Package](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#1-create-python-package)
-  * [Write Python Scripts](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#2-write-python-scripts)
-  * [Configure package.xml](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#3-configure-packagexml)
-  * [Build Package](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#4-build-package)
-  * [Source newly built workspace](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#5-source-newly-built-workspace)
-  * [Run scripts](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#6-run-scripts)
-* [Sources](https://github.com/patrickw135/pubsub/blob/master/instructions_custom_topics.md#sources)
+* [CMake Package (eg. /pubsub_msg)]()  
+  * [Create CMake Package]()
+  * [Create Message Files]()
+  * [Configure CMakeLists.txt]()
+  * [Configure package.xml]()
+  * [Build Package]()
+  * [Source newly built workspace]()
+  * [Check functionality]()
+* [Python Package (eg. /pubsub)]()
+  * [Create Python Package]()
+  * [Write Python Scripts]()
+  * [Configure package.xml]()
+  * [Build Package]()
+  * [Source newly built workspace]()
+  * [Run scripts]()
+* [Sources]()
 
 
 
@@ -137,7 +137,7 @@ This package can be created as a CMake (C++) package or as a python package depe
 
 ### 1. Create Python Package
 * Move to your workspace's source directory: `cd <workspace_path>/src`
-* Create python package: `rps2 pkg create --build-type ament_python <pkg_name>`
+* Create python package: `ros2 pkg create --build-type ament_python <pkg_name>`
 
 ### 2. Write Python Scripts
 When using custom interfaces in python scripts these must be imported into the python script first