diff --git a/content/zettels/feedforward_control.md b/content/zettels/feedforward_control.md
index 40859f6..057d1d4 100644
--- a/content/zettels/feedforward_control.md
+++ b/content/zettels/feedforward_control.md
@@ -12,6 +12,7 @@ Depending on the physical system to be controlled, several feedforward controlle
 -   [sec:rigid_body_feedforward](#sec:rigid_body_feedforward)
 -   [sec:fourth_order_feedforward](#sec:fourth_order_feedforward)
 -   [sec:model_based_feedforward](#sec:model_based_feedforward)
+-   [sec:rigid-body-feedforward](#sec:rigid-body-feedforward)
 
 
 ## Rigid Body Feedforward {#sec:rigid-body-feedforward}