diff --git a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
index 1f0f66812d..037ff36628 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
@@ -2242,7 +2242,7 @@ namespace OpenSim.Region.ClientStack.Linden
                     foreach (UserData ud in names)
                     {
                         // dont tell about unknown users, we can't send them back on Bad either
-                        if (string.IsNullOrEmpty(ud.FirstName) || ud.FirstName.Equals("Unkown"))
+                        if (string.IsNullOrEmpty(ud.FirstName) || ud.FirstName.Equals("Unknown"))
                             continue;
 
                         string fullname = ud.FirstName + " " + ud.LastName;
diff --git a/OpenSim/Region/CoreModules/Avatar/Chat/ChatModule.cs b/OpenSim/Region/CoreModules/Avatar/Chat/ChatModule.cs
index 3f748fbdc4..2441ad46ef 100644
--- a/OpenSim/Region/CoreModules/Avatar/Chat/ChatModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Chat/ChatModule.cs
@@ -216,7 +216,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Chat
 
             if(!m_scenes.Contains(scene))
             {
-                m_log.WarnFormat("[CHAT]: message from unkown scene {0} ignored",
+                m_log.WarnFormat("[CHAT]: message from unknown scene {0} ignored",
                                      scene.RegionInfo.RegionName);
                 return;
             }
diff --git a/OpenSim/Region/CoreModules/Avatar/Combat/CombatModule.cs b/OpenSim/Region/CoreModules/Avatar/Combat/CombatModule.cs
index cf2e8534ac..c13a8e7799 100644
--- a/OpenSim/Region/CoreModules/Avatar/Combat/CombatModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Combat/CombatModule.cs
@@ -125,7 +125,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Combat.CombatModule
                         if (killingAvatar == null)
                         {
                             IUserManagement userManager = deadAvatar.Scene.RequestModuleInterface<IUserManagement>();
-                            string userName = "Unkown User";
+                            string userName = "Unknown User";
                             if (userManager != null)
                                 userName = userManager.GetUserName(part.OwnerID);
                             deadAvatarMessage = String.Format("You impaled yourself on {0} owned by {1}!", part.Name, userName);
diff --git a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
index a6d3432b1a..f9d4e975b2 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
@@ -530,7 +530,7 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                         break;
 
                     default:
-                        // unkown map item type
+                        // Unknown map item type
                         m_log.DebugFormat("[WORLD MAP]: Unknown MapItem type {0}", itemtype);
                         break;
                 }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 39f3a43446..fe62d5c9b6 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -318,7 +318,7 @@ namespace OpenSim.Region.Framework.Scenes
         protected Vector3 m_acceleration;
         protected Vector3 m_angularVelocity;
 
-        //unkown if this will be kept, added as a way of removing the group position from the group class
+        //Unknown if this will be kept, added as a way of removing the group position from the group class
         protected Vector3 m_groupPosition;
         protected Material m_material = OpenMetaverse.Material.Wood;
         protected Vector3 m_offsetPosition;
diff --git a/OpenSim/Server/Handlers/Presence/PresenceServerPostHandler.cs b/OpenSim/Server/Handlers/Presence/PresenceServerPostHandler.cs
index 206f8f51de..c44c9e0da8 100644
--- a/OpenSim/Server/Handlers/Presence/PresenceServerPostHandler.cs
+++ b/OpenSim/Server/Handlers/Presence/PresenceServerPostHandler.cs
@@ -83,7 +83,7 @@ namespace OpenSim.Server.Handlers.Presence
                             if (request.TryGetValue("UserID", out object uo) && uo is string user)
                                 m_log.Debug($"[PRESENCE HANDLER]: ilegal login try from {httpRequest.RemoteIPEndPoint} for userID {user}");
                             else
-                                m_log.Debug($"[PRESENCE HANDLER]: ilegal login try from {httpRequest.RemoteIPEndPoint} for unkown user");
+                                m_log.Debug($"[PRESENCE HANDLER]: ilegal login try from {httpRequest.RemoteIPEndPoint} for unknown user");
 
                             return FailureResult();
                         }