Update README.md

Author: CelloSerenity

README.md

@@ -88,17 +88,17 @@ Create a link using the parameters outlined above and insert it into the followi
 
 Together, they appear as:
 
-<h1 align="left">
+<h3 align="center">
 <a href="https://altdirect.app/?url=https://example.com/source.json" target="_blank"><img src="https://altdirect.app/assets/png/AltSource_Blue.png" width="200">
 </a>
 <a href="https://example.com/app.ipa" target="_blank"><img src="https://altdirect.app/assets/png/Download_Blue.png" width="200"
 </a>
-</h1>
+</h3>
 
 Pretty nice, huh?
 
 >[!WARNING]
->Those experienced with html may wonder, why the extra `h1` tag? If you remove the h1 tag, the GitHub web markdown renderer adds an uncomfortable blue hyperlink underline between the horizontally stacked images, this fixes that. However, the iOS GitHub app still displays the line, I have yet to find a fix.
+>Those experienced with html may wonder, why the extra `h3` tag? If you remove the tag, the GitHub web markdown renderer adds an uncomfortable blue hyperlink underline between the horizontally stacked images, this fixes that. However, the iOS GitHub app still displays the line, I have yet to find a fix.
 
 
 ---