diff --git a/README.md b/README.md
index a2463c09..8ac6998b 100644
--- a/README.md
+++ b/README.md
@@ -33,8 +33,13 @@ on apt-based:
 
 on arch:
 - extra/texlive-binextra
-- sudo pacman -S texlive-core texlive-bin
-- sudo pacman -S extra/texlive-latex extra/texlive-latexextra extra/texlive-plaingeneric
+- texlive-core
+- texlive-bin
+- extra/texlive-latex
+- extra/texlive-latexextra
+- extra/texlive-plaingeneric
+- extra/texlive-langpolish
+- extra/texlive-mathscience
 
 ## Thing about PDF customization