diff --git a/dokka-integration-tests/gradle/projects/it-basic-groovy/build.gradle b/dokka-integration-tests/gradle/projects/it-basic-groovy/build.gradle
index 541aa9e25e..91036c4fe7 100644
--- a/dokka-integration-tests/gradle/projects/it-basic-groovy/build.gradle
+++ b/dokka-integration-tests/gradle/projects/it-basic-groovy/build.gradle
@@ -13,6 +13,7 @@ dokkaHtml {
     outputDirectory = new File(buildDir, "/dokka/customHtml")
     failOnWarning = false
     dokkaSourceSets {
+        // create a new source set
         customSourceSet {
             sourceRoot(file("src/custom/java"))
             sourceRoot(file("src/custom/kotlin"))
diff --git a/dokka-integration-tests/gradle/projects/it-sequential-tasks-execution-stress/build.gradle.kts b/dokka-integration-tests/gradle/projects/it-sequential-tasks-execution-stress/build.gradle.kts
index 7f7a5e1d59..8343b800e0 100644
--- a/dokka-integration-tests/gradle/projects/it-sequential-tasks-execution-stress/build.gradle.kts
+++ b/dokka-integration-tests/gradle/projects/it-sequential-tasks-execution-stress/build.gradle.kts
@@ -26,6 +26,7 @@ fun createTask(name: String) {
     tasks.register(name, org.jetbrains.dokka.gradle.DokkaTask::class) {
         dokkaSourceSets {
             moduleName.set("Some example")
+            // create a new source set
             register("kotlin-stdlib-common") {
                 sourceRoots.from("src/common/java")
                 sourceRoots.from("src/common/kotlin")