diff --git a/kadmos/vistoms/templates/VISTOMS_sessions.html b/kadmos/vistoms/templates/VISTOMS_sessions.html
index 67f1c709fda995a13ca02677d9d8ee73042ab75a..c2b4f9885a08650e8ffc4ea0ec4411e1d40885fb 100644
--- a/kadmos/vistoms/templates/VISTOMS_sessions.html
+++ b/kadmos/vistoms/templates/VISTOMS_sessions.html
@@ -32,6 +32,7 @@
                 alert("OOPS! VISTOMS unfortunately does not work properly on " + bowser.name + ". Please use a different browser to see its awesome visualization features!")
 			}
 
+			/* see docs: https://developer.mozilla.org/en-US/docs/Web/API/Window/localStorage */
 			if (window && window.localStorage)
 			{
 				var storage = window.localStorage;