diff --git a/src/dice.rs b/src/dice.rs
index 9c1b21e..fdb17db 100644
--- a/src/dice.rs
+++ b/src/dice.rs
@@ -495,8 +495,10 @@ impl<'a> WitnessSet for DiscordMdWitnessSet<'a> {
         }
 
         let is_extreme = dice.size >= 4 && (dice.roll == 1 || dice.roll == dice.size);
+        // A visible separator is required despite the monospace boxing,
+        // due to iOS Discord being weird.
         if self.index > 0 {
-            write!(self.parent.buffer, " ")?;
+            write!(self.parent.buffer, ",")?;
         }
         if !dice.is_admitted {
             write!(self.parent.buffer, "~~")?;
@@ -504,13 +506,19 @@ impl<'a> WitnessSet for DiscordMdWitnessSet<'a> {
         if dice.is_from_proliferation {
             write!(self.parent.buffer, "*")?;
         }
-        if is_extreme || dice.did_proliferate {
+        if is_extreme {
             write!(self.parent.buffer, "**")?;
         }
+        if dice.did_proliferate {
+            write!(self.parent.buffer, "__")?;
+        }
 
         write!(self.parent.buffer, "`{}`", dice.roll)?;
 
-        if is_extreme || dice.did_proliferate {
+        if dice.did_proliferate {
+            write!(self.parent.buffer, "__")?;
+        }
+        if is_extreme {
             write!(self.parent.buffer, "**")?;
         }
         if dice.is_from_proliferation {