diff --git a/main.pdf b/main.pdf
index d74b1884..b4d399fc 100644
Binary files a/main.pdf and b/main.pdf differ
diff --git a/main.tex b/main.tex
index 324717ed..b103e365 100644
--- a/main.tex
+++ b/main.tex
@@ -1,6 +1,6 @@
 \documentclass[10pt,openany]%,oneside]
 {book}
-\newcommand{\versiondate}[0]{May 1st, 2019}
+\newcommand{\versiondate}[0]{May 4th, 2019}
 
 \usepackage{
   amsmath, calc,