diff --git a/curriculum/challenges/english/04-data-visualization/data-visualization-projects/visualize-data-with-a-heat-map.english.md b/curriculum/challenges/english/04-data-visualization/data-visualization-projects/visualize-data-with-a-heat-map.english.md
index cb71854a61..e3516427c8 100644
--- a/curriculum/challenges/english/04-data-visualization/data-visualization-projects/visualize-data-with-a-heat-map.english.md
+++ b/curriculum/challenges/english/04-data-visualization/data-visualization-projects/visualize-data-with-a-heat-map.english.md
@@ -28,7 +28,7 @@ You can use HTML, JavaScript, CSS, and the D3 svg-based visualization library. R
User Story #14: My legend should contain rect
elements.
User Story #15: The rect
elements in the legend should use at least 4 different fill colors.
User Story #16: I can mouse over an area and see a tooltip with a corresponding id="tooltip"
which displays more information about the area.
-User Story #16: My tooltip should have a data-year
property that corresponds to the data-year
of the active area.
+User Story #17: My tooltip should have a data-year
property that corresponds to the data-year
of the active area.
Here is the dataset you will need to complete this project: https://raw.githubusercontent.com/freeCodeCamp/ProjectReferenceData/master/global-temperature.json
You can build your project by forking this CodePen pen. Or you can use this CDN link to run the tests in any environment you like: https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js
Once you're done, submit the URL to your working project with all its tests passing.