diff --git a/operators/k_divdiv/P2VectorElementwiseKDivdiv.hpp b/operators/k_divdiv/P2VectorElementwiseKDivdiv.hpp
index 8241c48785c9f66621255f3e1dacf2a63c7f4f94..6257d9dcfd3bf409ca013fd161095c79cb57ac21 100644
--- a/operators/k_divdiv/P2VectorElementwiseKDivdiv.hpp
+++ b/operators/k_divdiv/P2VectorElementwiseKDivdiv.hpp
@@ -47,13 +47,7 @@ namespace hyteg {
 
 namespace operatorgeneration {
 
-/// divdiv operator which is used as a stabilization term that is taken from
-///
-///     Blank, L. (2014).
-///     On Divergence-Free Finite Element Methods for the Stokes Equations (Freie Universität Berlin).
-///     p. 84, eq. (6.2)
-///
-/// for the P1-P0 stabilized Stokes discretization.
+/// divdiv operator which is the compressible part of full Stokes operator
 ///
 /// Geometry map:    IdentityMap
 ///
diff --git a/operators/k_divdiv/P2VectorElementwiseKDivdivAnnulusMap.hpp b/operators/k_divdiv/P2VectorElementwiseKDivdivAnnulusMap.hpp
index 7e0e9b66cb2d54661aa33e115da1d6e8b1d324da..3d2ebc2d2a2d226baf6bc7bd8659efb4cdd301b9 100644
--- a/operators/k_divdiv/P2VectorElementwiseKDivdivAnnulusMap.hpp
+++ b/operators/k_divdiv/P2VectorElementwiseKDivdivAnnulusMap.hpp
@@ -48,13 +48,7 @@ namespace hyteg {
 
 namespace operatorgeneration {
 
-/// divdiv operator which is used as a stabilization term that is taken from
-///
-///     Blank, L. (2014).
-///     On Divergence-Free Finite Element Methods for the Stokes Equations (Freie Universität Berlin).
-///     p. 84, eq. (6.2)
-///
-/// for the P1-P0 stabilized Stokes discretization.
+/// divdiv operator which is the compressible part of full Stokes operator
 ///
 /// Geometry map:    AnnulusMap
 ///
diff --git a/operators/k_divdiv/P2VectorElementwiseKDivdivIcosahedralShellMap.hpp b/operators/k_divdiv/P2VectorElementwiseKDivdivIcosahedralShellMap.hpp
index fcaaa184afe275edf3c53925daff0b7377e819ec..be74ef8c63b271e8268ce01dc53b2dcf77800f33 100644
--- a/operators/k_divdiv/P2VectorElementwiseKDivdivIcosahedralShellMap.hpp
+++ b/operators/k_divdiv/P2VectorElementwiseKDivdivIcosahedralShellMap.hpp
@@ -48,13 +48,7 @@ namespace hyteg {
 
 namespace operatorgeneration {
 
-/// divdiv operator which is used as a stabilization term that is taken from
-///
-///     Blank, L. (2014).
-///     On Divergence-Free Finite Element Methods for the Stokes Equations (Freie Universität Berlin).
-///     p. 84, eq. (6.2)
-///
-/// for the P1-P0 stabilized Stokes discretization.
+/// divdiv operator which is the compressible part of full Stokes operator
 ///
 /// Geometry map:    IcosahedralShellMap
 ///