diff --git a/.gitignore b/.gitignore
index 49651c2..8977ad0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
 /.dist-buildwrapper/
-slides/slidesDutch.tmp
-.vscode/
\ No newline at end of file
+
+.vscode/
+*.tmp
+/index.html
+slide*.html
\ No newline at end of file
diff --git a/slides/slidesDutch.md b/slides/slidesDutch.md
index 78d2ba8..cc1d3fb 100644
--- a/slides/slidesDutch.md
+++ b/slides/slidesDutch.md
@@ -1,6 +1,5 @@
 % Introductie Functioneel Programmeren (met Haskell)
 % Han Joosten
-% Juli 2017
 
 # putStrLn "hallo!"