diff --git a/topics/tutorials/custom_language_support/psi_helper_and_utilities.md b/topics/tutorials/custom_language_support/psi_helper_and_utilities.md
index ae4f8426e..9aa120806 100644
--- a/topics/tutorials/custom_language_support/psi_helper_and_utilities.md
+++ b/topics/tutorials/custom_language_support/psi_helper_and_utilities.md
@@ -14,7 +14,7 @@
 
 Helper classes and utilities can be embedded in the code generated by Grammar-Kit.
 
-> Note that due to the [lack of support for two-pass generation](https://github.com/JetBrains/gradle-grammar-kit-plugin/issues/3), extending PSI elements with methods via utils or mixins is not supported in [Gradle Grammar-Kit Plugin](tools_gradle_grammar_kit_plugin.md).
+> Note that due to the [lack of support for two-pass generation](https://github.com/JetBrains/gradle-grammar-kit-plugin/issues/3), extending PSI elements with methods via utils is not supported in [Gradle Grammar-Kit Plugin](tools_gradle_grammar_kit_plugin.md).
 >
 {style="warning"}