Update word count in metadata

src/epub/content.opf

@@ -64,7 +64,7 @@
 			Chapter 5, line 80: Typogrify wants to change a trailing non-breaking hyphen into an em-dash. This is incorrect because the hypen deliberately breaks the word Phoenix across two lines.
 		</meta>
 		<meta property="se:word-count">63481</meta>
-		<meta property="se:reading-ease.flesch">80.62</meta>
+		<meta property="se:reading-ease.flesch">80.51</meta>
 		<meta property="se:url.encyclopedia.wikipedia">https://en.wikipedia.org/wiki/The_Phoenix_and_the_Carpet</meta>
 		<meta property="se:url.vcs.github">https://github.com/standardebooks/e-nesbit_the-phoenix-and-the-carpet</meta>
 		<dc:creator id="author">E. Nesbit</dc:creator>