diff --git a/changelog.md b/changelog.md
index a5ae317..deb1dfc 100644
--- a/changelog.md
+++ b/changelog.md
@@ -8,10 +8,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+## [0.6.1] - 2019-12-15
+### Modified
+- fixed typos spotted by a few students.
 
 ## [0.6.0] - 2019-11-11
 ### Added
 - First release of the book (beta version)
 
 
-[0.6.0]:   https://github.com/tudelft3d/terrainbook/releases/0.6.0
+[0.6.1]: https://github.com/tudelft3d/terrainbook/compare/0.6.0...0.6.1
+[0.6.0]: https://github.com/tudelft3d/terrainbook/releases/0.6.0
diff --git a/terrainbook.tex b/terrainbook.tex
index b81ac02..dccb768 100755
--- a/terrainbook.tex
+++ b/terrainbook.tex
@@ -82,7 +82,7 @@
 
 \title{Computational modelling of terrains}
 \author{Hugo Ledoux \and Ken Arroyo Ohori \and Ravi Peters}
-\date{v0.6.0}
+\date{v0.6.1}
 
 \publishers{\includegraphics[width=\linewidth]{front-back/quebec.jpg}}