diff --git a/doc/BookChapters/chapter1.do.txt b/doc/BookChapters/chapter1.do.txt
index fbc0b5b01..d03e598ec 100644
--- a/doc/BookChapters/chapter1.do.txt
+++ b/doc/BookChapters/chapter1.do.txt
@@ -1,4 +1,4 @@
-======= Linear Regression, basic Elements =======
+======= Linear Regression =======
 
 "Video of Lecture":"https://www.uio.no/studier/emner/matnat/fys/FYS-STK3155/h20/forelesningsvideoer/LectureAug21.mp4?vrtx=view-as-webpage"