diff --git a/samples/ChatSample/PresenceHubLifetimeManager.cs b/samples/ChatSample/PresenceHubLifetimeManager.cs
index fcc168000d..ecb8801dc5 100644
--- a/samples/ChatSample/PresenceHubLifetimeManager.cs
+++ b/samples/ChatSample/PresenceHubLifetimeManager.cs
@@ -12,20 +12,20 @@ using System.Linq;
 
 namespace ChatSample
 {
-    public class DefaultPresenceHublifetimeMenager<THub> : PresenceHubLifetimeManager<THub, DefaultHubLifetimeManager<THub>>
+    public class DefaultPresenceHublifetimeManager<THub> : PresenceHubLifetimeManager<THub, DefaultHubLifetimeManager<THub>>
         where THub : HubWithPresence
     {
-        public DefaultPresenceHublifetimeMenager(IUserTracker<THub> userTracker, IServiceScopeFactory serviceScopeFactory,
+        public DefaultPresenceHublifetimeManager(IUserTracker<THub> userTracker, IServiceScopeFactory serviceScopeFactory,
             ILoggerFactory loggerFactory, IServiceProvider serviceProvider)
             : base(userTracker, serviceScopeFactory, loggerFactory, serviceProvider)
         {
         }
     }
 
-    public class RedisPresenceHublifetimeMenager<THub> : PresenceHubLifetimeManager<THub, RedisHubLifetimeManager<THub>>
+    public class RedisPresenceHublifetimeManager<THub> : PresenceHubLifetimeManager<THub, RedisHubLifetimeManager<THub>>
     where THub : HubWithPresence
     {
-        public RedisPresenceHublifetimeMenager(IUserTracker<THub> userTracker, IServiceScopeFactory serviceScopeFactory,
+        public RedisPresenceHublifetimeManager(IUserTracker<THub> userTracker, IServiceScopeFactory serviceScopeFactory,
             ILoggerFactory loggerFactory, IServiceProvider serviceProvider)
             : base(userTracker, serviceScopeFactory, loggerFactory, serviceProvider)
         {
diff --git a/samples/ChatSample/Startup.cs b/samples/ChatSample/Startup.cs
index 80b348fb46..0f973b812f 100644
--- a/samples/ChatSample/Startup.cs
+++ b/samples/ChatSample/Startup.cs
@@ -61,11 +61,11 @@ namespace ChatSample
             services.AddCookieAuthentication();
 
             services.AddSingleton(typeof(DefaultHubLifetimeManager<>), typeof(DefaultHubLifetimeManager<>));
-            services.AddSingleton(typeof(HubLifetimeManager<>), typeof(DefaultPresenceHublifetimeMenager<>));
+            services.AddSingleton(typeof(HubLifetimeManager<>), typeof(DefaultPresenceHublifetimeManager<>));
             services.AddSingleton(typeof(IUserTracker<>), typeof(InMemoryUserTracker<>));
 
             //services.AddSingleton(typeof(RedisHubLifetimeManager<>), typeof(RedisHubLifetimeManager<>));
-            //services.AddSingleton(typeof(HubLifetimeManager<>), typeof(RedisPresenceHublifetimeMenager<>));
+            //services.AddSingleton(typeof(HubLifetimeManager<>), typeof(RedisPresenceHublifetimeManager<>));
             //services.AddSingleton(typeof(IUserTracker<>), typeof(RedisUserTracker<>));
         }