Finishing touches on heatmap experiment page

src/content/experiments/svg-heatmaps/index.mdx

@@ -160,4 +160,4 @@ The result (with and without the filter applied):
 
 The rest is nothing too fancy: just meticulously drawing the outlines of the person as an SVG path, along with the outlines for each body part in the heatmap. Each part is then given its own blur depending on how big it is (for example, the pecs cover a larger area than the wrist, so they get a bigger blur applied).
 
-Now with all those effects combined, and a slider to control each body part’s opacity in the heatmap filter, the final injry heatmap mini-app is done and working!
+Now with all those effects combined, and a slider to control each body part’s opacity in the heatmap filter, the final <a href="https://codepen.io/bbagg/pen/yLwWXvx" target="_blank">injury heatmap mini-app</a> is done and working!