Update index.md as per

Author: shaedrich

topics/coverage/index.md

@@ -1,10 +1,11 @@
 ---
-display_name: Coverage
+display_name: Test coverage
 short_description: Coverage is the percentage of your project being covered by—depending on the perspective—code or tests.
 topic: coverage
 related: code-coverage, test-coverage, path-coverage, line-coverage, branch-coverage, automated-testing, coverage-report, serenity-bdd, cicd
 ---
-**Coverage** is the percentage of your project being covered by—depending on the perspective—code or tests, which can be measured in different ways:
+**Test coverage** is the percentage of your project being covered by—depending on the perspective—code or tests, which can be measured in different ways:
 * path coverage
 * line coverage
 * branch coverage
+* code coverage