diff --git a/kalibrierschein.cls b/kalibrierschein.cls
index d6c9cd6b0f3e4e08951dfbc28319c2c209a7f5c5..ac4b230cee5b21d3d25336df042f2cfe07f51e2a 100644
--- a/kalibrierschein.cls
+++ b/kalibrierschein.cls
@@ -9,7 +9,7 @@
 \newif\ifnoCMC \noCMCfalse
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
 \ProvidesClass{kalibrierschein}
-  [2021/01/11 v0.6a-pre documentclass PTB `Kalibrierschein' (RN/PTB)]
+  [2021/01/11 v0.6a documentclass PTB `Kalibrierschein' (RN/PTB)]
 \DeclareOption{BS}{\def\ks@location{Braunschweig}}
 \DeclareOption{BLN}{\def\ks@location{Berlin}}
 \DeclareOption{KK}{\edef\ks@kalType{\CurrentOption}}
@@ -396,11 +396,11 @@ footskip=0bp,
 \newcommand\Section[2]{%
   \section{#1\newline\itshape\small#2}%
 }
-\RequirePackage{relsize}
-\newenvironment{english}[1][1.0]{%
+\newenvironment{english}[1][.8]{%
   \otherlanguage{english}%
   \par
-  \relscale{#1}%
+  \ks@tempdima=#1\dimexpr\f@size pt % Schriftgröße skalieren; Durchschuss 130%
+  \fontsize{\ks@tempdima}{1.3\ks@tempdima}\selectfont
 }{%
   \par
   \endotherlanguage