diff --git a/.gitattributes b/.gitattributes
index a60f081d7..e12e536be 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -26,6 +26,6 @@
 # for linguist; let github identify our project as C++ instead of C due to pcre2
 /pcre2/* linguist-vendored
 angular.js linguist-vendored
-/doc_src/* linguist-documentation
+/sphinx_doc_src/* linguist-documentation
 *.fish linguist-language=fish
 tests/*.in linguist-language=fish