diff --git a/tutorials/custom_language_support/completion_contributor.md b/tutorials/custom_language_support/completion_contributor.md
index 51a153222..1d041b36e 100644
--- a/tutorials/custom_language_support/completion_contributor.md
+++ b/tutorials/custom_language_support/completion_contributor.md
@@ -3,7 +3,7 @@ title: 9. Completion Contributor
 ---
 <!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
 
-Custom languages provide code completion using one of two approaches: Contributor and Reference-based completion.
+Custom languages provide code completion using one of two approaches: Contributor and Reference-based (see [10. Reference Contributor](reference_contributor.md)) completion.
 
 **Reference**: [Code Completion](/reference_guide/custom_language_support/code_completion.md)