diff --git a/.gitattributes b/.gitattributes
index 2b8d2ea0..cdf5f6f6 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,9 @@
-*.* linguist-language=R
+*.md linguist-vendored=false
+*.md linguist-generated=false
+*.md linguist-documentation=false
+*.md linguist-detectable=true
+*.Rmd linguist-vendored=false
+*.Rmd linguist-generated=false
+*.Rmd linguist-documentation=false
+*.Rmd linguist-detectable=true
+