Maybe fix formatting in Info window History tab

The "Version 2.0 - 'Phoenix'" section in the History tab of the app's Info window appears unformatted (with the two hash signs appearing in front). I assume that it's generated from this file, and the only difference I could see with this line was that the anchor was directly above the title line, whereas for other versions there is a blank line in between.
sonic-pi-net · Mar 30, 2020 · 2c0adf2 · 2c0adf2
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commit 2c0adf2
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1853,6 +1853,7 @@ Riley, Jeremy Weatherford and Joseph Wilk.
 
 
 <a name="v2.0"></a>
+
 ## Version 2.0 - 'Phoenix'
 
 *Tuesday 2nd September, 2014*