diff --git a/doc/readme/pkuthss.tex b/doc/readme/pkuthss.tex
index d3ad431..c1f5d33 100644
--- a/doc/readme/pkuthss.tex
+++ b/doc/readme/pkuthss.tex
@@ -29,8 +29,8 @@
 \documentclass[UTF8]{pkuthss}
 
 \usepackage[
-	backend = biber, style = caspervector, utf8, sorting = ecnty,
-	giveninits = true, sortgiveninits = true
+	backend = biber, style = caspervector, utf8,
+	sorting = ecnty, giveninits = true, sortgiveninits = true
 ]{biblatex}
 \usepackage{fancyvrb}
 \usepackage{hologo}