diff --git a/django/contrib/gis/utils/layermapping.py b/django/contrib/gis/utils/layermapping.py
index 6b125d747e..cec1989796 100644
--- a/django/contrib/gis/utils/layermapping.py
+++ b/django/contrib/gis/utils/layermapping.py
@@ -205,7 +205,8 @@ class LayerMapping(object):
                 # Making sure that the OGR Layer's Geometry is compatible.
                 ltype = self.layer.geom_type
                 if not (ltype.name.startswith(gtype.name) or self.make_multi(ltype, model_field)):
-                    raise LayerMapError('Invalid mapping geometry; model has %s%s, layer is %s.' %
+                    raise LayerMapError('Invalid mapping geometry; model has %s%s, '
+                                        'layer geometry type is %s.' %
                                         (fld_name, (coord_dim == 3 and '(dim=3)') or '', ltype))
 
                 # Setting the `geom_field` attribute w/the name of the model field