docs: use related reading for Understanding Tool Modes

Signed-off-by: Nafisa Tahasin <nafisatahasin23@gmail.com>

Author: nafisa404

content/en/kanvas/designer/understanding-tool-modes/index.md

@@ -4,7 +4,7 @@ description: >
   Kanvas Designer offers three modes: Default, Pencil, and Connector, which behave differently based on the context in which they are used. Learn how to interact with components and the canvas in each mode.
 weight: 3
 categories: [Designer]
-tags: [designs]
+tags: [designs, Dock]
 aliases:
 ---
 

content/en/videos/getting-started/basics/pinning-models-to-dock.md

@@ -22,6 +22,3 @@ There is no limit to the number of models that you can pin to the dock.
 When a model is pinned you can still browse all components or search for a specific component. Drag and drop or click to place a new component into your design.
 
 When you no longer want a model pinned to the dock, you can remove the pin by revisiting the model in its original location and choosing to “remove from dock”.
-
-Related Docs:
-1. https://docs.layer5.io/kanvas/designer/understanding-tool-modes/