Update README.md

Author: pieckenst

README.md

@@ -8,7 +8,7 @@
 </p>
 
 <p align="center">
-<img align="center" src="https://raw.githubusercontent.com/pieckenst/helia/current/bitmapcanarym.png" height="100" width="320">
+<img align="center" src="https://raw.githubusercontent.com/pieckenst/helia/current/bitmapm.png" height="100" width="320">
 </p>
 
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