diff --git a/editions/introduction/tiddlers/images/Motovun Jack.svg b/editions/introduction/tiddlers/images/Motovun Jack.svg
index 895ce53ea..28b344153 100644
--- a/editions/introduction/tiddlers/images/Motovun Jack.svg	
+++ b/editions/introduction/tiddlers/images/Motovun Jack.svg	
@@ -1,4 +1,5 @@
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+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg id="motovun-jack" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 510 316" version="1.1">
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diff --git a/editions/tw5.com/tiddlers/images/Motovun Jack.svg b/editions/tw5.com/tiddlers/images/Motovun Jack.svg
index 895ce53ea..28b344153 100644
--- a/editions/tw5.com/tiddlers/images/Motovun Jack.svg	
+++ b/editions/tw5.com/tiddlers/images/Motovun Jack.svg	
@@ -1,4 +1,5 @@
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+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg id="motovun-jack" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 510 316" version="1.1">
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