diff --git a/io_mesh_ply/__init__.py b/io_mesh_ply/__init__.py
index e6ad0af14641ea093e2cc7c036fb49fbb2452ad8..c653a778fa63cf226a4620e52a12d2aea98b4be1 100644
--- a/io_mesh_ply/__init__.py
+++ b/io_mesh_ply/__init__.py
@@ -46,7 +46,7 @@ from io_utils import ImportHelper, ExportHelper
 
 
 class ImportPLY(bpy.types.Operator, ImportHelper):
-    '''Load a BVH motion capture file'''
+    '''Load a PLY geometry file'''
     bl_idname = "import_mesh.ply"
     bl_label = "Import PLY"
     
diff --git a/io_mesh_stl/__init__.py b/io_mesh_stl/__init__.py
index 0a1ca354a0b2320b92d145393c4b95edcef1c9b4..8d5297fdfb163d1cece6508b7dea1bb6c517d61c 100644
--- a/io_mesh_stl/__init__.py
+++ b/io_mesh_stl/__init__.py
@@ -71,6 +71,8 @@ class ImportSTL(bpy.types.Operator, ImportHelper):
     bl_label = "Import STL"
 
     filename_ext = ".stl"
+    
+    filter_glob = StringProperty(default="*.stl", options={'HIDDEN'})
 
     files = CollectionProperty(name="File Path",
                           description="File path used for importing "