diff --git a/docs/none-and-unknown-types.md b/docs/never-and-unknown-types.md
similarity index 99%
rename from docs/none-and-unknown-types.md
rename to docs/never-and-unknown-types.md
index 0085ef0..d996afc 100644
--- a/docs/none-and-unknown-types.md
+++ b/docs/never-and-unknown-types.md
@@ -1,4 +1,4 @@
-# Add never and unknown types
+# never and unknown types
 
 ## Summary