tweak

Author: nicolaskruchten

doc/python/plotly-express.md

@@ -42,7 +42,7 @@ Plotly Express provides [more than 30 functions for creating different types of
 
 Plotly Express currently includes the following functions:
 
-* **Basics**: [`scatter`](/python/line-and-scatter/), [`line`](/python/line-charts/), [`area`](/python/filled-area-plots/), [`bar`](/python/bar-charts/), [`funnel`](/python/funnel-charts/)
+* **Basics**: [`scatter`](/python/line-and-scatter/), [`line`](/python/line-charts/), [`area`](/python/filled-area-plots/), [`bar`](/python/bar-charts/), [`funnel`](/python/funnel-charts/), [`timeline`](https://plotly.com/python/gantt/)
 * **Part-of-Whole**: [`pie`](/python/pie-charts/), [`sunburst`](/python/sunburst-charts/), [`treemap`](/python/treemaps/), [`funnel_area`](/python/funnel-charts/)
 * **1D Distributions**: [`histogram`](/python/histograms/), [`box`](/python/box-plots/), [`violin`](/python/violin/), [`strip`](/python/strip-charts/)
 * **2D Distributions**: [`density_heatmap`](/python/2D-Histogram/), [`density_contour`](/python/2d-histogram-contour/)