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-rw-r--r--src/runtime/funcdata.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/runtime/funcdata.h b/src/runtime/funcdata.h
index 0fb50ddfba..cd76c06992 100644
--- a/src/runtime/funcdata.h
+++ b/src/runtime/funcdata.h
@@ -32,9 +32,9 @@
// defines the pointer map for the function's arguments.
// GO_ARGS should be the first instruction in a function that uses it.
// It can be omitted if there are no arguments at all.
-// GO_ARGS is inserted implicitly by the linker for any function
-// that also has a Go prototype and therefore is usually not necessary
-// to write explicitly.
+// GO_ARGS is inserted implicitly by the linker for any function whose
+// name starts with a middle-dot and that also has a Go prototype; it
+// is therefore usually not necessary to write explicitly.
#define GO_ARGS FUNCDATA $FUNCDATA_ArgsPointerMaps, go_args_stackmap(SB)
// GO_RESULTS_INITIALIZED indicates that the assembly function