diff --git a/common/ASC.Common/Threading/DistributedTask.cs b/common/ASC.Common/Threading/DistributedTask.cs
index 25d8f274d7..4a1eb257b0 100644
--- a/common/ASC.Common/Threading/DistributedTask.cs
+++ b/common/ASC.Common/Threading/DistributedTask.cs
@@ -36,15 +36,15 @@ namespace ASC.Common.Threading
 
         public DistributedTaskCache DistributedTaskCache { get; internal set; }
 
-        public string InstanseId
+        public string InstanceId
         {
             get
             {
-                return DistributedTaskCache.InstanseId;
+                return DistributedTaskCache.InstanceId;
             }
             set
             {
-                DistributedTaskCache.InstanseId = value;
+                DistributedTaskCache.InstanceId = value;
             }
         }
         public string Id
diff --git a/common/ASC.Common/Threading/DistributedTaskQueue.cs b/common/ASC.Common/Threading/DistributedTaskQueue.cs
index 170b0e2875..aecd43d2e7 100644
--- a/common/ASC.Common/Threading/DistributedTaskQueue.cs
+++ b/common/ASC.Common/Threading/DistributedTaskQueue.cs
@@ -86,7 +86,7 @@ namespace ASC.Common.Threading
 
     public class DistributedTaskQueue
     {
-        public static readonly string InstanseId;
+        public static readonly string InstanceId;
 
         private readonly string key;
         private readonly ICache cache;
@@ -97,7 +97,7 @@ namespace ASC.Common.Threading
 
         static DistributedTaskQueue()
         {
-            InstanseId = Process.GetCurrentProcess().Id.ToString();
+            InstanceId = Process.GetCurrentProcess().Id.ToString();
         }
 
 
@@ -130,7 +130,7 @@ namespace ASC.Common.Threading
                 distributedTask = new DistributedTask();
             }
 
-            distributedTask.InstanseId = InstanseId;
+            distributedTask.InstanceId = InstanceId;
 
             var cancelation = new CancellationTokenSource();
             var token = cancelation.Token;
diff --git a/common/ASC.Common/protos/DistributedTaskCache.proto b/common/ASC.Common/protos/DistributedTaskCache.proto
index 78a79ad7b1..0942f1476a 100644
--- a/common/ASC.Common/protos/DistributedTaskCache.proto
+++ b/common/ASC.Common/protos/DistributedTaskCache.proto
@@ -4,7 +4,7 @@ package ASC.Common.Threading;
 
 message DistributedTaskCache {
     string Id = 1;
-    string InstanseId = 2;
+    string InstanceId = 2;
 	string Status = 3;
 	string Exception = 4;
 	repeated DistributedTaskCacheProp Props = 5;
diff --git a/common/ASC.Core.Common/BaseCommonLinkUtility.cs b/common/ASC.Core.Common/BaseCommonLinkUtility.cs
index b26c3beb3c..dc4b02d574 100644
--- a/common/ASC.Core.Common/BaseCommonLinkUtility.cs
+++ b/common/ASC.Core.Common/BaseCommonLinkUtility.cs
@@ -233,7 +233,7 @@ namespace ASC.Core.Common
         }
     }
 
-    public static class BaseCommonLinkUtilityFactory
+    public static class BaseCommonLinkUtilityExtension
     {
         public static IServiceCollection AddBaseCommonLinkUtilityService(this IServiceCollection services)
         {