diff --git a/mkdocs/api/functions.md b/mkdocs/api/functions.md
index d6059f9fe..5345b0e51 100644
--- a/mkdocs/api/functions.md
+++ b/mkdocs/api/functions.md
@@ -7,7 +7,7 @@
         - also
         - bin_numeric
         - case_when
-        - change_index_type
+        - change_index_dtype
         - change_type
         - clean_names
         - coalesce