diff --git a/docs_app/content/guide/operators.md b/docs_app/content/guide/operators.md
index 3e85cd0bf3..de5ef45a0e 100644
--- a/docs_app/content/guide/operators.md
+++ b/docs_app/content/guide/operators.md
@@ -105,7 +105,7 @@ To explain how operators work, textual descriptions are often not enough. Many o
Below you can see the anatomy of a marble diagram.
-
+
Throughout this documentation site, we extensively use marble diagrams to explain how operators work. They may be really useful in other contexts too, like on a whiteboard or even in our unit tests (as ASCII diagrams).