diff --git a/lib/algebra.gd b/lib/algebra.gd
index 981900b57d..0f9986d494 100644
--- a/lib/algebra.gd
+++ b/lib/algebra.gd
@@ -581,6 +581,10 @@ DeclareOperation( "ProductSpace", [ IsFreeLeftModule, IsFreeLeftModule ] );
 ##  If all involved algebras are matrix algebras, and either both are Lie
 ##  algebras or both are associative then the result is again a
 ##  matrix algebra of the appropriate type.
+##  <P/>
+##  Experimental methods for <C>Embedding</C> and <C>Projection</C>
+##  for direct sums of algebras are included in version 1.26 of package
+##  <Package>XModAlg</Package>.
 ##  <Example><![CDATA[
 ##  gap> A:= QuaternionAlgebra( Rationals );;
 ##  gap> DirectSumOfAlgebras( [A, A, A] );