Fix typo and wrong formula in the documentation

diff --git a/include/deal.II/lac/cuda_vector.h b/include/deal.II/lac/cuda_vector.h
index 4f946f6cf37143da981fbecc4005be3176a6c301..f976eab15204e8fdc7fc2550ed1cd7318c2dedee 100644 (file)
--- a/include/deal.II/lac/cuda_vector.h
+++ b/include/deal.II/lac/cuda_vector.h
@@ -165,7 +165,7 @@ namespace LinearAlgebra
       add(const Number a, const VectorSpaceVector<Number> &V) override;
 
       /**
-       * Multiple addition of scaled vectors, i.e. <tt>*this += a*V</tt>.
+       * Multiple additions of scaled vectors, i.e. <tt>*this += a*V+b*W</tt>.
        */
       virtual void
       add(const Number                     a,