diff --git a/index.html b/index.html
index 819a0bb..6e626e8 100644
--- a/index.html
+++ b/index.html
@@ -218,7 +218,7 @@
 
 </div>
 
-<!-- Note: columns *cannot* be nested, but you shouldn't ever need to -->
+<!-- Note: columns *cannot* be nested since that's tough with % based grid -->
 </code>
 </pre>
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