Update merm.html

merm.html

@@ -7,8 +7,8 @@
         <meta name="viewport" content="width=device-width" />
         <meta name="twitter:card" content="player"/>
         <meta name="twitter:site" content=""/>
-        <meta name="twitter:player" content="https://omnibus-text-to-chart.hf.space/file=merm.html?mermaid={merm}"/>
-        <meta name="twitter:player:stream" content="https://omnibus-text-to-chart.hf.space/file=merm.html?mermaid={merm}"/>
+        <meta name="twitter:player" content="https://omnibus-text-to-chart.hf.space/file=merm.html?mermaid=$merm"/>
+        <meta name="twitter:player:stream" content="https://omnibus-text-to-chart.hf.space/file=merm.html?mermaid=$merm"/>
         <meta name="twitter:player:width" content="100%"/>
         <meta name="twitter:player:height" content="100%"/>    
         <meta property="og:title" content="Chart Viewer"/>