diff --git a/Modules/Projects/Application/PCAppProject+Inspector.m b/Modules/Projects/Application/PCAppProject+Inspector.m
index 67be696..8f99c61 100644
--- a/Modules/Projects/Application/PCAppProject+Inspector.m
+++ b/Modules/Projects/Application/PCAppProject+Inspector.m
@@ -248,7 +248,8 @@ cleanup(NSMutableDictionary *m, NSString *k)
 - (void)setHelpFile: (id)sender
 {
   int         result;  
-  NSArray     *fileTypes = [NSArray arrayWithObject: @"rtfd"];
+  NSArray     *fileTypes = [NSArray arrayWithObjects:
+    @"rtfd", @"rtf", @"txt", nil];
   NSOpenPanel *openPanel = [NSOpenPanel openPanel];
   NSString    *dir = nil;