diff --git a/source/Cosmos.Core/ManagedMemoryBlock.cs b/source/Cosmos.Core/ManagedMemoryBlock.cs
index 37a001ace..44d13dfe6 100644
--- a/source/Cosmos.Core/ManagedMemoryBlock.cs
+++ b/source/Cosmos.Core/ManagedMemoryBlock.cs
@@ -125,9 +125,16 @@ namespace Cosmos.Core
             }
         }
 
-        public unsafe void Copy(MemoryBlock lastbuffer)
+        /// <summary>
+        /// Copy MemoryBlock into ManagedMemoryBlock
+        /// </summary>
+        /// <param name="block">MemoryBlock to copy.</param>
+        public unsafe void Copy(MemoryBlock block)
         {
-            //Copy(lastbuffer.ToArray());
+            byte* xDest = (byte*)(this.Offset);
+            byte* aDataPtr = (byte*)block.Base;
+
+            MemoryOperations.Copy(xDest, aDataPtr, (int)block.Size);
         }
 
         /// <summary>
diff --git a/source/Cosmos.Core/MemoryBlock.cs b/source/Cosmos.Core/MemoryBlock.cs
index 2f14b09ac..c9bb6fb1e 100644
--- a/source/Cosmos.Core/MemoryBlock.cs
+++ b/source/Cosmos.Core/MemoryBlock.cs
@@ -193,13 +193,16 @@ namespace Cosmos.Core
             }
         }
 
-        public unsafe void Copy(ManagedMemoryBlock lastbuffer)
+        /// <summary>
+        /// Copy ManagedMemoryBlock into MemoryBlock
+        /// </summary>
+        /// <param name="block">ManagedMemoryBlock to copy.</param>
+        public unsafe void Copy(ManagedMemoryBlock block)
         {
             byte* xDest = (byte*)(Base);
+            byte* aDataPtr = (byte*)block.Offset;
 
-            byte* aDataPtr = (byte*)lastbuffer.Offset;
-
-            MemoryOperations.Copy(xDest, aDataPtr, (int)lastbuffer.Size);
+            MemoryOperations.Copy(xDest, aDataPtr, (int)block.Size);
         }
 
         /// <summary>
diff --git a/source/Cosmos.HAL2/Drivers/Video/VBEDriver.cs b/source/Cosmos.HAL2/Drivers/Video/VBEDriver.cs
index 45599449d..68409dec5 100644
--- a/source/Cosmos.HAL2/Drivers/Video/VBEDriver.cs
+++ b/source/Cosmos.HAL2/Drivers/Video/VBEDriver.cs
@@ -262,10 +262,8 @@ namespace Cosmos.HAL.Drivers
         }
 
         /// <summary>
-        /// Swap buffers
+        /// Swap back buffer to video memory
         /// </summary>
-        /// <param name="index">Index to get.</param>
-        /// <returns>byte value.</returns>
         public void Swap()
         {
             IO.LinearFrameBuffer.Copy(lastbuffer);