diff --git a/.Rbuildignore b/.Rbuildignore
index 09c1cec..1ab9a1f 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -5,7 +5,7 @@
 ^.travis\.yml$
 ^.gitlab-ci\.yml$
 ^appveyor\.yml$
-^index\.Rmd$
+^index\.md$
 ^README\.md$
 ^.*\.Rproj$
 ^\.Rproj\.user$
diff --git a/index.Rmd b/index.md
similarity index 97%
rename from index.Rmd
rename to index.md
index 6577837..d6b1237 100644
--- a/index.Rmd
+++ b/index.md
@@ -8,7 +8,7 @@ Helper Functions for analysing [Subversion](https://subversion.apache.org/) log
 
 ## Installation
 
-```{r echo = TRUE, eval = FALSE}
+```r
 ###############################################################################
 ###  For a tutorial on how to install KWB-R packages see:
 ###  https://kwb-r.github.io/kwb.pkgbuild/articles/install.html