docs: update summary for ReactionMessage classes

src/Discord.Net.Core/Entities/Messages/IReactionMessage.cs

@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 namespace Discord
 {
     /// <summary>
-    ///     Represents a message that can be reacted to.
+    ///     Represents a message where reactions can be added or removed.
     /// </summary>
     public interface IReactionMessage : IMessage
     {

src/Discord.Net.Rest/Entities/Messages/RestReactionMessage.cs

@@ -8,7 +8,7 @@ using Model = Discord.API.Message;
 namespace Discord.Rest
 {
     /// <summary>
-    ///     Represents a REST-based mesage that reactions can be added to.
+    ///     Represents a REST-based mesage where reactions can be added or removed.
     /// </summary>
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
     public abstract class RestReactionMessage : RestMessage, IReactionMessage

src/Discord.Net.WebSocket/Entities/Messages/SocketReactionMessage.cs

@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 namespace Discord.WebSocket
 {
     /// <summary>
-    ///     Represents a WebSocket-based message that reactions can be added to.
+    ///     Represents a WebSocket-based message where reactions can be added or removed.
     /// </summary>
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
     public abstract class SocketReactionMessage : SocketMessage, IReactionMessage