diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinBuilder.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinBuilder.kt
index 2a5403a0cdd..6fa5ec58e8c 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinBuilder.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinBuilder.kt
@@ -72,8 +72,7 @@ import java.util.*
 
 public class KotlinBuilder : ModuleLevelBuilder(BuilderCategory.SOURCE_PROCESSOR) {
     companion object {
-        // TODO add description to string
-        private val TARGETS_WITH_CLEARED_CACHES = Key<Set<ModuleBuildTarget>>("")
+        private val TARGETS_WITH_CLEARED_CACHES = Key<Set<ModuleBuildTarget>>("Targets with cleared Kotlin caches")
 
         public val KOTLIN_BUILDER_NAME: String = "Kotlin Builder"
         public val LOOKUP_TRACKER: JpsElementChildRoleBase<JpsSimpleElement<out LookupTracker>> = JpsElementChildRoleBase.create("lookup tracker")