diff --git a/editortools/filter.py b/editortools/filter.py
index 71af69c..c9ce581 100644
--- a/editortools/filter.py
+++ b/editortools/filter.py
@@ -1,15 +1,15 @@
-"""Copyright (c) 2010-2012 David Rio Vierra
-
-Permission to use, copy, modify, and/or distribute this software for any
-purpose with or without fee is hereby granted, provided that the above
-copyright notice and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+"""Copyright (c) 2010-2012 David Rio Vierra
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE."""
 from toolbasics import *
 from albow.dialogs import wrapped_label
@@ -79,6 +79,13 @@ class FilterModuleOptions(Widget):
                 elif optionType == "label":
                     rows.append(wrapped_label(optionName, 50))
 
+                elif optionType == "string":
+                    field = TextField(value="string")
+                    self.optionDict[optionName] = AttrRef(field, 'value')
+                    
+                    row = Row((Label(optionName), field))
+                    rows.append(row)
+
                 else:
                     raise ValueError(("Unknown option type", optionType))