diff --git a/DOCS/man/options.rst b/DOCS/man/options.rst
index 8c1704ef2b..cbdd3ede1b 100644
--- a/DOCS/man/options.rst
+++ b/DOCS/man/options.rst
@@ -3127,7 +3127,7 @@ Window
 
         Generally only supported by GUI VOs. Ignored for encoding.
 
-    .. admonition: Note (macOS)
+    .. admonition:: Note (macOS)
 
         On macOS, the origin of the screen coordinate system is located on the
         bottom-left corner. For instance, ``0:0`` will place the window at the