diff --git a/NoteContext.cs b/NoteContext.cs
new file mode 100644
index 0000000..eaed12f
--- /dev/null
+++ b/NoteContext.cs
@@ -0,0 +1,7 @@
+namespace BinaryDad.Notes
+{
+    public static class NoteContext
+    {
+        public static IDictionary<string, string> ClientNotes { get; } = new Dictionary<string, string>();
+    }
+}
\ No newline at end of file
diff --git a/NoteHub.cs b/NoteHub.cs
index 057f101..791d375 100644
--- a/NoteHub.cs
+++ b/NoteHub.cs
@@ -12,11 +12,27 @@ namespace BinaryDad.Notes
             this.noteService = noteService;
         }
 
+        public override Task OnConnectedAsync()
+        {
+            var noteName = Context.GetHttpContext().Request.Query["noteName"];
+
+            NoteContext.ClientNotes[Context.ConnectionId] = noteName;
+
+            return base.OnConnectedAsync();
+        }
+
         public async Task SaveNote(string content, string? noteName)
         {
             noteService.Save(content, noteName);
 
-            await Clients.Others.SendAsync("updateNote", content);
+            var clientConnections = NoteContext.ClientNotes
+                .Where(c => c.Value == noteName && c.Key != Context.ConnectionId)
+                .Select(c => c.Key)
+                .ToList();
+
+            await Clients
+                .Clients(clientConnections)
+                .SendAsync("updateNote", content);
         }
     }
 }
diff --git a/wwwroot/js/site.js b/wwwroot/js/site.js
index 4ff5e9e..267fcf0 100644
--- a/wwwroot/js/site.js
+++ b/wwwroot/js/site.js
@@ -2,7 +2,7 @@
 
 let connection = new signalR.HubConnectionBuilder()
     .withAutomaticReconnect()
-    .withUrl("/noteHub")
+    .withUrl(`/noteHub?noteName=${noteName}`)
     .build();
 
 function start() {