diff --git a/Doc/c-api/tuple.rst b/Doc/c-api/tuple.rst
index 82ef4bcd147..e20c5a66189 100644
--- a/Doc/c-api/tuple.rst
+++ b/Doc/c-api/tuple.rst
@@ -158,7 +158,8 @@ type.
 
    .. c:member:: const char *name
 
-      Name of the struct sequence type.
+      Fully qualified name of the type; null-terminated UTF-8 encoded.
+      The name must contain the module name.
 
    .. c:member:: const char *doc