diff --git a/guide/english/certifications/data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element/index.md b/guide/english/certifications/data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element/index.md
index e1a6d8e1e9..4bbbd2f616 100644
--- a/guide/english/certifications/data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element/index.md
+++ b/guide/english/certifications/data-visualization/data-visualization-with-d3/add-a-tooltip-to-a-d3-element/index.md
@@ -3,8 +3,27 @@ title: Add a Tooltip to a D3 Element
---
## Add a Tooltip to a D3 Element
-This is a stub. Help our community expand it.
+### Hint 1
-This quick style guide will help ensure your pull request gets accepted.
+Use the ` .append() ` method.
-
+### Hint 2
+
+Use the ` .text() ` method.
+
+### Hint 3
+
+Chain the ` .append() ` and ` .text() ` methods.
+
+### Hint 4
+
+Use a callback function in the ` .text() ` method.
+
+### Solution
+
+Chain the following lines of code with your ` svg.selectAll("rect") ` method.
+
+```javascript
+ .append("title")
+ .text(d=>d);
+```