diff --git a/doc/specs/udmf_srb2.txt b/doc/specs/udmf_srb2.txt
index b25ed1af3..4390a9b4a 100644
--- a/doc/specs/udmf_srb2.txt
+++ b/doc/specs/udmf_srb2.txt
@@ -1,5 +1,5 @@
 ===============================================================================
-Universal Doom Map Format Sonic Robo Blast 2 extensions v1.0 19.02.2024
+Universal Doom Map Format Sonic Robo Blast 2 extensions v1.1 02.05.2024
 
     Copyright (c) 2024 Sonic Team Junior
        uses Universal Doom Map Format Specification v1.1 as a template,
@@ -80,6 +80,7 @@ Sonic Robo Blast 2 defines the following standardized fields:
       noskew        = <bool>;     // Middle texture is not skewed.
       midpeg        = <bool>;     // Middle texture is pegged.
       midsolid      = <bool>;     // Middle texture is solid.
+      clipmidtex    = <bool>;     // Line's mid textures are clipped to floor and ceiling.
       wrapmidtex    = <bool>;     // Line's mid textures are wrapped.
       nonet         = <bool>;     // Special only takes effect in singleplayer games.
       netonly       = <bool>;     // Special only takes effect in multiplayer games.
@@ -143,6 +144,45 @@ Sonic Robo Blast 2 defines the following standardized fields:
       offsetx_bottom = <float>;        // X offset for lower texture. Default = 0.0.
       offsety_bottom = <float>;        // Y offset for lower texture. Default = 0.0.
 
+      clipmidtex = <bool>;             // Side's mid textures are clipped to floor and ceiling.
+      wrapmidtex = <bool>;             // Side's mid textures are wrapped.
+
+      edge_top_upper_texture = <string>; // Top edge texture of the upper wall. Default = "-".
+      edge_top_upper_offsetx = <float>;  // X offset for the top edge of the upper wall. Default = 0.0.
+      edge_top_upper_offsety = <float>;  // Y offset for the top edge of the upper wall. Default = 0.0.
+      edge_top_upper_scalex  = <float>;  // X scale for the top edge of the upper wall. Default = 1.0.
+      edge_top_upper_scaley  = <float>;  // Y scale for the top edge of the upper wall. Default = 1.0.
+      edge_top_upper_noskew  = <bool>;   // Disables skewing of the top edge of the upper wall.
+      edge_top_upper_noclip  = <bool>;   // Top edge texture extends outside the upper wall (displays like a mid texture.)
+      edge_top_upper_wrap    = <bool>;   // Top edge texture of the upper wall wraps.
+
+      edge_top_lower_texture = <string>; // Bottom edge texture of the upper wall. Default = "-".
+      edge_top_lower_offsetx = <float>;  // X offset for the bottom edge of the upper wall. Default = 0.0.
+      edge_top_lower_offsety = <float>;  // Y offset for the bottom edge of the upper wall. Default = 0.0.
+      edge_top_lower_scalex  = <float>;  // X scale for the bottom edge of the upper wall. Default = 1.0.
+      edge_top_lower_scaley  = <float>;  // Y scale for the bottom edge of the upper wall. Default = 1.0.
+      edge_top_lower_noskew  = <bool>;   // Disables skewing of the bottom edge of the upper wall.
+      edge_top_lower_noclip  = <bool>;   // Bottom edge texture extends outside the upper wall (displays like a mid texture.)
+      edge_top_lower_wrap    = <bool>;   // Bottom edge texture of the upper wall wraps.
+
+      edge_bottom_upper_texture = <string>; // Top edge texture of the lower wall. Default = "-".
+      edge_bottom_upper_offsetx = <float>;  // X offset for the top edge of the lower wall. Default = 0.0.
+      edge_bottom_upper_offsety = <float>;  // Y offset for the top edge of the lower wall. Default = 0.0.
+      edge_bottom_upper_scalex  = <float>;  // X scale for the top edge of the lower wall. Default = 1.0.
+      edge_bottom_upper_scaley  = <float>;  // Y scale for the top edge of the lower wall. Default = 1.0.
+      edge_bottom_upper_noskew  = <bool>;   // Disables skewing of the top edge of the lower wall.
+      edge_bottom_upper_noclip  = <bool>;   // Top edge texture extends outside the lower wall (displays like a mid texture.)
+      edge_bottom_upper_wrap    = <bool>;   // Top edge texture of the lower wall wraps.
+
+      edge_bottom_lower_texture = <string>; // Bottom edge texture of the lower wall. Default = "-".
+      edge_bottom_lower_offsetx = <float>;  // X offset for the bottom edge of the lower wall. Default = 0.0.
+      edge_bottom_lower_offsety = <float>;  // Y offset for the bottom edge of the lower wall. Default = 0.0.
+      edge_bottom_lower_scalex  = <float>;  // X scale for the bottom edge of the lower wall. Default = 1.0.
+      edge_bottom_lower_scaley  = <float>;  // Y scale for the bottom edge of the lower wall. Default = 1.0.
+      edge_bottom_lower_noskew  = <bool>;   // Disables skewing of the bottom edge of the lower wall.
+      edge_bottom_lower_noclip  = <bool>;   // Bottom edge texture extends outside the lower wall (displays like a mid texture.)
+      edge_bottom_lower_wrap    = <bool>;   // Bottom edge texture of the lower wall wraps.
+
       comment = <string>; // A comment. Implementors should attach no special
                           // semantic meaning to this field.
    }
@@ -305,6 +345,11 @@ Sonic Robo Blast 2 defines the following standardized fields:
 Changelog
 =======================================
 
+1.1: 02.05.2024
+Added edge texture properties.
+Added clipmidtex property to lines and sides.
+Added wrapmidtex property to sides.
+
 1.0: 19.02.2024
 Initial version.