diff --git a/doc/python/bio-manhattanplot.md b/doc/python/bio-manhattanplot.md
index bf3f4eb244b..5fa417cc021 100644
--- a/doc/python/bio-manhattanplot.md
+++ b/doc/python/bio-manhattanplot.md
@@ -48,7 +48,7 @@ dash_bio.ManhattanPlot(
 )
 ```
 
-## Highlighted points color, and colors of the suggestive line and the genome-wide line.
+## Highlighted points color, and colors of the suggestive line and the genome-wide line
 Change the color of the points that are considered significant.
 
 ```python