diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index 39a2f988..27e9a042 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -144,8 +144,7 @@
   Color separation (color deconvolution) for several stainings.
 
 - Jostein Bø Fløystad
-  Reconstruction circle mode for Radon transform
-  Simultaneous Algebraic Reconstruction Technique for inverse Radon transform
+  Tomography: radon/iradon improvements and SART implementation
 
 - Matt Terry
   Color difference functions