diff --git a/documentation/trunk/eiffelstudio/eiffelstudio-reference/compiler/compiler-history/Major-changes-between-ISE-Eiffel-15.12-and-ISE-Eiffel-16.05.wiki b/documentation/trunk/eiffelstudio/eiffelstudio-reference/compiler/compiler-history/Major-changes-between-ISE-Eiffel-15.12-and-ISE-Eiffel-16.05.wiki
index 359d447c..84b21341 100644
--- a/documentation/trunk/eiffelstudio/eiffelstudio-reference/compiler/compiler-history/Major-changes-between-ISE-Eiffel-15.12-and-ISE-Eiffel-16.05.wiki
+++ b/documentation/trunk/eiffelstudio/eiffelstudio-reference/compiler/compiler-history/Major-changes-between-ISE-Eiffel-15.12-and-ISE-Eiffel-16.05.wiki
@@ -56,7 +56,7 @@ The change does not allow previously void-unsafe code to be treated as void-safe
==Improvements==
* Improve reporting for errors in regular expressions used in include and exclude file rules in ECF by adding position information and providing error description all the time.
-* Improve performance of code using across iterator. Breaking change: custom descendants of READABLE_INDEXABLE may need to be updated in one of the following ways:
+* Improve performance of code using across iterator. {{Inline-Warning|Breaking change:}} custom descendants of READABLE_INDEXABLE may need to be updated in one of the following ways:
*# By removing index_set, if no backward compatibility with earlier versions of EiffelStudio is required
*# By adding an explicit redeclaration clause for index_set, if backward compatibility with [[Release notes for EiffelStudio 15.12|EiffelStudio 15.12]] is required: