diff --git a/markdown/org/docs/patterns/noble/options/backdartheight/nl.md b/markdown/org/docs/patterns/noble/options/backdartheight/nl.md
index 9e415230b0c..14b8ea1eaa9 100644
--- a/markdown/org/docs/patterns/noble/options/backdartheight/nl.md
+++ b/markdown/org/docs/patterns/noble/options/backdartheight/nl.md
@@ -8,6 +8,4 @@ The **back dart height** option controls the height (length if you will) of the
 
 ## Effect of this option on the pattern
 
-## Effect of this option on the pattern
-
 ![This image shows the effect of this option by superimposing several variants that have a different value for this option](noble_backdartheight_sample.svg "Effect of this option on the pattern")