diff --git a/docs/api.template.md b/docs/api.template.md
index b63f41f366..10d4ac9f7d 100644
--- a/docs/api.template.md
+++ b/docs/api.template.md
@@ -1,4 +1,4 @@
-#TREZOR OS API
+#TREZOR Core API
 
 Syntax used below is a valid Python function declaration with type hints defined in [PEP 0484](https://www.python.org/dev/peps/pep-0484/).