diff --git a/src/ACadSharp/Objects/Layout.cs b/src/ACadSharp/Objects/Layout.cs
index 6b00f30d..c80b5c95 100644
--- a/src/ACadSharp/Objects/Layout.cs
+++ b/src/ACadSharp/Objects/Layout.cs
@@ -9,11 +9,11 @@
 namespace ACadSharp.Objects
 {
 	/// <summary>
-	/// Represents a <see cref="Layout"/> object
+	/// Represents a <see cref="Layout"/> object.
 	/// </summary>
 	/// <remarks>
-	/// Object name <see cref="DxfFileToken.ObjectLayout"/> <br/>
-	/// Dxf class name <see cref="DxfSubclassMarker.Layout"/>
+	/// Object name <see cref="DxfFileToken.ObjectLayout"/>. <br/>
+	/// Dxf class name <see cref="DxfSubclassMarker.Layout"/>.
 	/// </remarks>
 	[DxfName(DxfFileToken.ObjectLayout)]
 	[DxfSubClass(DxfSubclassMarker.Layout)]
@@ -33,7 +33,7 @@ public class Layout : PlotSettings
 		public override string SubclassMarker => DxfSubclassMarker.Layout;
 
 		/// <summary>
-		/// Layout name
+		/// Layout name.
 		/// </summary>
 		[DxfCodeValue(1)]
 		public override string Name
@@ -49,79 +49,79 @@ public override string Name
 		}
 
 		/// <summary>
-		/// Layout flags
+		/// Layout flags.
 		/// </summary>
 		[DxfCodeValue(70)]
 		public LayoutFlags LayoutFlags { get; set; }
 
 		/// <summary>
-		/// Tab order.This number is an ordinal indicating this layout's ordering in the tab control that is attached to the drawing window. Note that the “Model” tab always appears as the first tab regardless of its tab order
+		/// Tab order. This number is an ordinal indicating this layout's ordering in the tab control that is attached to the drawing window. Note that the “Model” tab always appears as the first tab regardless of its tab order.
 		/// </summary>
 		[DxfCodeValue(71)]
 		public int TabOrder { get; set; }
 
 		/// <summary>
-		/// Minimum limits for this layout (defined by LIMMIN while this layout is current)
+		/// Minimum limits for this layout (defined by LIMMIN while this layout is current).
 		/// </summary>
 		[DxfCodeValue(10, 20)]
 		public XY MinLimits { get; set; } = new XY(-20.0, -7.5);
 
 		/// <summary>
-		/// Maximum limits for this layout(defined by LIMMAX while this layout is current)
+		/// Maximum limits for this layout(defined by LIMMAX while this layout is current).
 		/// </summary>
 		[DxfCodeValue(11, 21)]
 		public XY MaxLimits { get; set; } = new XY(277.0, 202.5);
 
 		/// <summary>
-		/// Insertion base point for this layout(defined by INSBASE while this layout is current) 
+		/// Insertion base point for this layout(defined by INSBASE while this layout is current).
 		/// </summary>
 		[DxfCodeValue(12, 22, 32)]
 		public XYZ InsertionBasePoint { get; set; }
 
 		/// <summary>
-		/// Minimum extents for this layout(defined by EXTMIN while this layout is current)
+		/// Minimum extents for this layout(defined by EXTMIN while this layout is current).
 		/// </summary>
 		[DxfCodeValue(14, 24, 34)]
 		public XYZ MinExtents { get; set; } = new XYZ(25.7, 19.5, 0.0);
 
 		/// <summary>
-		/// Maximum extents for this layout(defined by EXTMAX while this layout is current)
+		/// Maximum extents for this layout(defined by EXTMAX while this layout is current).
 		/// </summary>
 		[DxfCodeValue(15, 25, 35)]
 		public XYZ MaxExtents { get; set; } = new XYZ(231.3, 175.5, 0.0);
 
 		/// <summary>
-		/// Layout elevation
+		/// Layout elevation.
 		/// </summary>
 		[DxfCodeValue(146)]
 		public double Elevation { get; set; }
 
 		/// <summary>
-		/// UCS origin
+		/// UCS origin.
 		/// </summary>
 		[DxfCodeValue(13, 23, 33)]
 		public XYZ Origin { get; set; } = XYZ.Zero;
 
 		/// <summary>
-		/// UCS X-axis
+		/// UCS X-axis.
 		/// </summary>
 		[DxfCodeValue(16, 26, 36)]
 		public XYZ XAxis { get; set; } = XYZ.AxisX;
 
 		/// <summary>
-		/// UCS Y-axis
+		/// UCS Y-axis.
 		/// </summary>
 		[DxfCodeValue(17, 27, 37)]
 		public XYZ YAxis { get; set; } = XYZ.AxisY;
 
 		/// <summary>
-		/// Orthographic type of UCS
+		/// Orthographic type of UCS.
 		/// </summary>
 		[DxfCodeValue(76)]
 		public OrthographicType UcsOrthographicType { get; set; }
 
 		/// <summary>
-		/// The associated paper space block table record
+		/// The associated paper space block table record.
 		/// </summary>
 		[DxfCodeValue(DxfReferenceType.Handle, 330)]
 		public BlockRecord AssociatedBlock
@@ -140,7 +140,7 @@ internal set
 		}
 
 		/// <summary>
-		/// Viewport that was last active in this layout when the layout was current
+		/// Viewport that was last active in this layout when the layout was current.
 		/// </summary>
 		[DxfCodeValue(DxfReferenceType.Handle, 331)]
 		public Viewport Viewport
@@ -159,19 +159,19 @@ internal set
 		}
 
 		/// <summary>
-		/// UCS Table Record if UCS is a named UCS
+		/// UCS Table Record if UCS is a named UCS.
 		/// </summary>
 		/// <remarks>
-		/// If not present, then UCS is unnamed
+		/// If not present, then UCS is unnamed.
 		/// </remarks>
 		[DxfCodeValue(DxfReferenceType.Handle, 345)]
 		public UCS UCS { get; set; }
 
 		/// <summary>
-		/// UCSTableRecord of base UCS if UCS is orthographic (<see cref="UcsOrthographicType"/> is non-zero)
+		/// UCSTableRecord of base UCS if UCS is orthographic (<see cref="UcsOrthographicType"/> is non-zero).
 		/// </summary>
 		/// <remarks>
-		/// If not present and <see cref="UcsOrthographicType"/> is non-zero, then base UCS is taken to be WORLD
+		/// If not present and <see cref="UcsOrthographicType"/> is non-zero, then base UCS is taken to be WORLD.
 		/// </remarks>
 		[DxfCodeValue(DxfReferenceType.Handle, 346)]
 		public UCS BaseUCS { get; set; }
@@ -183,7 +183,7 @@ public bool IsPaperSpace
 		{
 			get
 			{
-				return this.Name.Equals(ModelLayoutName, StringComparison.InvariantCultureIgnoreCase);
+				return !this.Name.Equals(ModelLayoutName, StringComparison.InvariantCultureIgnoreCase);
 			}
 		}