diff --git a/.gitattributes b/.gitattributes
index 29e177cb7..b6a1d586c 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,13 +1,13 @@
 # Mark files as auto-generated to simplify reviews.
 package-lock.json linguist-generated=true
 **/package-lock.json linguist-generated=true
-apps/server/src/assets/doc_notes/en/User[[:space:]]Guide/** linguist-generated=true
+apps/server/src/assets/doc_notes/en/User[[:space:]]Guide/** linguist-generated
 
 # Ignore from GitHub language stats.
 apps/server/src/assets/doc_notes/en/User[[:space:]]Guide/**/*.html eol=lf
-apps/server/src/assets/doc_notes/** linguist-detectable=false
-apps/edit-docs/demo/** linguist-detectable=false
-docs/** linguist-detectable=false
+apps/server/src/assets/doc_notes/** linguist-vendored
+apps/edit-docs/demo/** linguist-vendored
+docs/** linguist-vendored
 
 # Normalize line endings.
 docs/**/*.md eol=lf