diff --git a/apollo-execution-processor/src/main/kotlin/com/apollographql/execution/processor/definitions.kt b/apollo-execution-processor/src/main/kotlin/com/apollographql/execution/processor/definitions.kt
index 941e9e0..4e88758 100644
--- a/apollo-execution-processor/src/main/kotlin/com/apollographql/execution/processor/definitions.kt
+++ b/apollo-execution-processor/src/main/kotlin/com/apollographql/execution/processor/definitions.kt
@@ -575,7 +575,7 @@ private class TypeDefinitionContext(
     val name = this.graphqlNameOrNull() ?: targetName
 
     if (this.hasDefault) {
-      logger.error("Default arguments are not supported, use '@GraphQLDefault' instead.", this)
+      logger.error("Default parameter values are not supported, annotate your parameter with '@GraphQLDefault' instead.", this)
       return null
     }
     val defaultValue = defaultValue()