diff --git a/core/modules/filters.js b/core/modules/filters.js
index 6c49d4e99..15dde5f75 100644
--- a/core/modules/filters.js
+++ b/core/modules/filters.js
@@ -70,7 +70,7 @@ function parseFilterOperation(operators,filterString,p) {
 					rexMatch = rex.exec(filterString.substring(p));
 				if(rexMatch) {
 					operator.regexp = new RegExp(rexMatch[1], rexMatch[2]);
-// Deprecation warning
+// DEPRECATION WARNING
 console.log("WARNING: Filter",operator.operator,"has a deprecated regexp operand",operator.regexp);
 					nextBracketPos = p + rex.lastIndex - 1;
 				}
diff --git a/core/ui/PageStylesheet.tid b/core/ui/PageStylesheet.tid
index 4f07f6ad7..76e036e91 100644
--- a/core/ui/PageStylesheet.tid
+++ b/core/ui/PageStylesheet.tid
@@ -2,7 +2,7 @@ title: $:/core/ui/PageStylesheet
 
 <$importvariables filter="[[$:/core/ui/PageMacros]] [all[shadows+tiddlers]tag[$:/tags/Macro]!has[draft.of]]">
 
-<$list filter="[all[shadows+tiddlers]tag[$:/tags/stylesheet]!has[draft.of]]">
+<!-- DEPRECATION WARNING --><$list filter="[all[shadows+tiddlers]tag[$:/tags/stylesheet]!has[draft.of]]">
 <$transclude mode="block"/>
 </$list>
 
diff --git a/core/ui/PageTemplate/story.tid b/core/ui/PageTemplate/story.tid
index a281bf5fe..d2eeb21a3 100644
--- a/core/ui/PageTemplate/story.tid
+++ b/core/ui/PageTemplate/story.tid
@@ -5,7 +5,7 @@ tags: $:/tags/PageTemplate
 
 <$list filter="[all[shadows+tiddlers]tag[$:/tags/stylesheet]!has[draft.of]]">
 
-WARNING: tag "$:/tags/stylesheet" on <$link><$view field="title"/></$link> should be replaced with "$:/tags/Stylesheet"
+<!-- DEPRECATION WARNING -->WARNING: tag "$:/tags/stylesheet" on <$link><$view field="title"/></$link> should be replaced with "$:/tags/Stylesheet"
 
 </$list>