diff --git a/annotation/src/main/kotlin/io/spine/tools/core/jvm/annotation/PatternAnnotator.kt b/annotation/src/main/kotlin/io/spine/tools/core/jvm/annotation/PatternAnnotator.kt
index fdb198302..622a2030a 100644
--- a/annotation/src/main/kotlin/io/spine/tools/core/jvm/annotation/PatternAnnotator.kt
+++ b/annotation/src/main/kotlin/io/spine/tools/core/jvm/annotation/PatternAnnotator.kt
@@ -62,5 +62,8 @@ internal abstract class PatternAnnotator : Annotator() {
         patterns.any { it.matches(codeElement) }
 }
 
-internal fun SourceFile<Java>.qualifiedTopClassName(): String
-    = relativePath.toString().replace(File.separator, ".").replace(".java", "")
+/**
+ * Obtains the fully qualified name of the top-level class defined in this file.
+ */
+internal fun SourceFile<Java>.qualifiedTopClassName(): String =
+    relativePath.toString().replace(File.separator, ".").replace(".java", "")
diff --git a/buildSrc/src/main/kotlin/DokkaExts.kt b/buildSrc/src/main/kotlin/DokkaExts.kt
index b141a228a..778869108 100644
--- a/buildSrc/src/main/kotlin/DokkaExts.kt
+++ b/buildSrc/src/main/kotlin/DokkaExts.kt
@@ -68,11 +68,17 @@ fun DependencyHandlerScope.useDokkaWithSpineExtensions() {
 private fun DependencyHandler.dokkaPlugin(dependencyNotation: Any): Dependency? =
     add("dokkaPlugin", dependencyNotation)
 
+/**
+ * Resolves the directory where Dokka outputs HTML documentation for the given language.
+ */
 internal fun Project.dokkaOutput(language: String): File {
     val lng = language.titleCaseFirstChar()
     return layout.buildDirectory.dir("docs/dokka$lng").get().asFile
 }
 
+/**
+ * Locates a Dokka configuration file under the `buildSrc` resources.
+ */
 fun Project.dokkaConfigFile(file: String): File {
     val dokkaConfDir = project.rootDir.resolve("buildSrc/src/main/resources/dokka")
     return dokkaConfDir.resolve(file)
diff --git a/ksp/src/main/kotlin/io/spine/tools/core/jvm/ksp/gradle/KspGradlePlugin.kt b/ksp/src/main/kotlin/io/spine/tools/core/jvm/ksp/gradle/KspGradlePlugin.kt
index b97b241a9..4f07cb99e 100644
--- a/ksp/src/main/kotlin/io/spine/tools/core/jvm/ksp/gradle/KspGradlePlugin.kt
+++ b/ksp/src/main/kotlin/io/spine/tools/core/jvm/ksp/gradle/KspGradlePlugin.kt
@@ -42,6 +42,9 @@ public object KspGradlePlugin {
      */
     public const val id: String = "com.google.devtools.ksp"
 
+    /**
+     * Returns the path to the directory where KSP generates sources for the given [project].
+     */
     public fun defaultTargetDirectory(project: Project): Path {
         val generatedDir = project.layout.buildDirectory.dir("generated")
         return generatedDir.get().asFile.toPath()
diff --git a/version.gradle.kts b/version.gradle.kts
index 3855ab206..4b6ff7039 100644
--- a/version.gradle.kts
+++ b/version.gradle.kts
@@ -29,5 +29,5 @@
  *
  * Do not rename this property, as it is also used in the integration tests via its name.
  */
-val coreJvmCompilerVersion by extra("2.0.0-SNAPSHOT.004")
+val coreJvmCompilerVersion by extra("2.0.0-SNAPSHOT.005")
 val versionToPublish by extra(coreJvmCompilerVersion)