Use grave accent for scansion

src/epub/text/chapter-15.xhtml

@@ -67,7 +67,7 @@
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 					<span>Lo, they dight the feast in God-home, and fair are the tables spread,</span>
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-					<span>Late come, but well-belovéd is every war-worn head,</span>
+					<span>Late come, but well-belovèd is every war-worn head,</span>
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 					<span>And the Godfolk and the Fathers, as these cross the tinkling bridge,</span>
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