diff --git a/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs b/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs
index 2bda5ba4e2..4f989fa39c 100644
--- a/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs
+++ b/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainEngine.cs
@@ -202,6 +202,11 @@ namespace OpenSim.Terrain
                         resultText += "terrain bake - saves the current terrain into the revert map\n";
                         resultText += "terrain csfilter <filename.cs> - loads a new filter from the specified .cs file\n";
                         resultText += "terrain jsfilter <filename.js> - loads a new filter from the specified .js file\n";
+                        foreach (KeyValuePair<string, ITerrainFilter> filter in customFilters.filters)
+                        {
+                            resultText += filter.Value.Help();
+                        }
+
                         return false;
 
                     case "revert":
diff --git a/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainFilter.cs b/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainFilter.cs
index 6a83c8a738..689375d786 100644
--- a/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainFilter.cs
+++ b/OpenSim/OpenSim.Terrain.BasicTerrain/TerrainFilter.cs
@@ -15,6 +15,7 @@ namespace OpenSim.Terrain
     {
         void Filter(Channel heightmap, string[] args);
         string Register();
+        string Help();
     }
 
     public class TestFilter : ITerrainFilter
@@ -28,6 +29,11 @@ namespace OpenSim.Terrain
         {
             return "demofilter";
         }
+
+        public string Help()
+        {
+            return "demofilter - Does nothing";
+        }
     }
 
     public class FilterHost