fix musig equation UI

Author: jrakibi

decoding/musig.mdx

@@ -438,10 +438,8 @@ Where:
 
 The final aggregate signature is:
 
-<code>
-    (R<span className="text-xs align-sub">agg</span>, s
-    <span className="text-xs align-sub">agg</span>)
-</code>
+    **(R<span className="text-xs align-sub">agg</span>, s
+    <span className="text-xs align-sub">agg</span>)**
 
 This pair can be verified using <code>P<span className="text-xs align-sub">agg</span></code> and the message `m`.
 

decoding/network-propagation.mdx

@@ -9,3 +9,5 @@ order: 308
 icon: "FaClipboardList"
 images: ["/bitcoin-topics/static/images/topics/thumbnails/musig-thumbnail.webp"]
 ---
+
+(Coming Soon)

decoding/technical-foundation.mdx

@@ -16,4 +16,4 @@ children:
     - compact-size
 ---
 
-(coming soon)
+(coming soon)