From: Peter Munch <peterrmuench@gmail.com>
Date: Wed, 16 Mar 2022 22:27:08 +0000 (+0100)
Subject: Fix docu of PreconditionChebyshev regardin degree
X-Git-Tag: v9.4.0-rc1~357^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6a437884a6c99c32f10eb2840590aa7a4a73225;p=dealii.git

Fix docu of PreconditionChebyshev regardin degree
---

diff --git a/include/deal.II/lac/precondition.h b/include/deal.II/lac/precondition.h
index f343250cf4..fe72d7f478 100644
--- a/include/deal.II/lac/precondition.h
+++ b/include/deal.II/lac/precondition.h
@@ -1615,7 +1615,8 @@ public:
     /**
      * This determines the degree of the Chebyshev polynomial. The degree of
      * the polynomial gives the number of matrix-vector products to be
-     * performed for one application of the vmult() operation. Degree one
+     * performed for one application of the step() operation. During vmult(),
+     * the method performs `(degree-1)` matrix-vector products. Degree one
      * corresponds to a damped Jacobi method.
      *
      * If the degree is set to numbers::invalid_unsigned_int, the algorithm