diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..8e523597f
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+docs/*  linguist-documentation
+lib/handlers/asm-docs.js linguist-generated
+test/cases/* linguist-vendored