fix ignore next 3

Signed-off-by: Aviv Keller <[email protected]>

apps/site/pages/en/learn/test-runner/collecting-code-coverage.md

@@ -139,7 +139,7 @@ When reporting coverage with this modified `main.js` file, the report will now s
 
 There are multiple ways to ignore sections of code using comments.
 
-```js displayName="ignore next"
+```js displayName="ignore next 3"
 function add(a, b) {
   return a + b;
 }