[ doc ] Fix typo

Author: ice1000

res/META-INF/change-notes.html

@@ -1,4 +1,4 @@
-0.2.8<br/>
+0.3.0<br/>
 <ul>
 	<li>Support exporting live-preview files into HTML
 		(right-click in live-preview!).
@@ -125,4 +125,4 @@
 	<li>Backspace deletes corresponding parenthesis/bracket/brace as well</li>
 	<li>Click to go to definition for rules</li>
 	<li>GitHub error reporter</li>
-</ul>
+</ul>