diff --git a/mozilla/layout/reftests/svg/foreignObject-display-01.svg b/mozilla/layout/reftests/svg/foreignObject-display-01.svg
index 8cd266f9e77..bdec3f2a14c 100755
--- a/mozilla/layout/reftests/svg/foreignObject-display-01.svg
+++ b/mozilla/layout/reftests/svg/foreignObject-display-01.svg
@@ -1,11 +1,14 @@
 <svg xmlns="http://www.w3.org/2000/svg" version="1.1"
      onload="setTimeout(handleLoad, 0);">
+
   <title>Testcase for removing display:none from foreignObject child</title>
+
+  <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=281260 -->
+
   <script type="application/ecmascript">
   <![CDATA[
 
-// This is from https://bugzilla.mozilla.org/show_bug.cgi?id=281260
-// The setTimeout is necessary since it was _after_ loading that we failed
+// This must be called using setTimeout since it was _after_ loading we failed
 
 function handleLoad(event)
 {
diff --git a/mozilla/layout/reftests/svg/getElementById-a-element-01.svg b/mozilla/layout/reftests/svg/getElementById-a-element-01.svg
index fabab2924b0..3d4abd508e6 100755
--- a/mozilla/layout/reftests/svg/getElementById-a-element-01.svg
+++ b/mozilla/layout/reftests/svg/getElementById-a-element-01.svg
@@ -1,6 +1,10 @@
 <svg xmlns="http://www.w3.org/2000/svg" version="1.1"
      onload="handleLoad(evt);">
+
   <title>Testcase for getElementById finding &lt;a&gt; element</title>
+
+  <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=320724 -->
+
   <script type="application/ecmascript">
   <![CDATA[
 
diff --git a/mozilla/layout/reftests/svg/pseudo-classes-01.svg b/mozilla/layout/reftests/svg/pseudo-classes-01.svg
index fbd23f0c551..fedda13d233 100755
--- a/mozilla/layout/reftests/svg/pseudo-classes-01.svg
+++ b/mozilla/layout/reftests/svg/pseudo-classes-01.svg
@@ -1,6 +1,10 @@
 <svg xmlns="http://www.w3.org/2000/svg" version="1.1"
      xmlns:xlink="http://www.w3.org/1999/xlink">
+
   <title>Testcase for the :first-child, :link, :visited and :lang pseudo-classes</title>
+
+  <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=268135 -->
+
   <style type="text/css">
   <![CDATA[
 
diff --git a/mozilla/layout/reftests/svg/pseudo-classes-02-ref.svg b/mozilla/layout/reftests/svg/pseudo-classes-02-ref.svg
index 442c5a7de19..4a5dee81cce 100755
--- a/mozilla/layout/reftests/svg/pseudo-classes-02-ref.svg
+++ b/mozilla/layout/reftests/svg/pseudo-classes-02-ref.svg
@@ -1,5 +1,6 @@
 <svg xmlns="http://www.w3.org/2000/svg" version="1.1"
      xmlns:xlink="http://www.w3.org/1999/xlink">
+
   <title>Reference for pseudo-classes and text/links</title>
 
   <!-- link in text -->
diff --git a/mozilla/layout/reftests/svg/pseudo-classes-02.svg b/mozilla/layout/reftests/svg/pseudo-classes-02.svg
index 5c0c1477793..caf668889fe 100755
--- a/mozilla/layout/reftests/svg/pseudo-classes-02.svg
+++ b/mozilla/layout/reftests/svg/pseudo-classes-02.svg
@@ -1,6 +1,10 @@
 <svg xmlns="http://www.w3.org/2000/svg" version="1.1"
      xmlns:xlink="http://www.w3.org/1999/xlink">
+
   <title>Testcase for pseudo-classes and text/links</title>
+
+  <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=268135 -->
+
   <style type="text/css">
   <![CDATA[