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-rw-r--r--include/qapi/visitor-impl.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/qapi/visitor-impl.h b/include/qapi/visitor-impl.h
index 8bd47ee4bb..962ba1df35 100644
--- a/include/qapi/visitor-impl.h
+++ b/include/qapi/visitor-impl.h
@@ -102,8 +102,8 @@ struct Visitor
     /* Must be set to visit explicit null values.  */
     void (*type_null)(Visitor *v, const char *name, Error **errp);
 
-    /* Must be set for input visitors, optional otherwise.  The core
-     * takes care of the return type in the public interface. */
+    /* Must be set for input visitors to visit structs, optional otherwise.
+       The core takes care of the return type in the public interface. */
     void (*optional)(Visitor *v, const char *name, bool *present);
 
     /* Must be set */