1 files changed, 5 insertions, 0 deletions

diff --git a/FL/Fl_Roller.H b/FL/Fl_Roller.H
index 61ef8a846..80b349930 100644
--- a/FL/Fl_Roller.H
+++ b/FL/Fl_Roller.H
@@ -32,6 +32,11 @@
 #include "Fl_Valuator.H"
 #endif
 
+/**
+  The Fl_Roller widget is a "dolly" control commonly used to
+  move 3D objects.
+  <P ALIGN=CENTER>\image html Fl_Roller.gif
+*/
 class FL_EXPORT Fl_Roller : public Fl_Valuator {
 protected:
   void draw();