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-rw-r--r--manual/argp.texi4
1 files changed, 3 insertions, 1 deletions
diff --git a/manual/argp.texi b/manual/argp.texi
index 0a5d56dc7d..8410856ae1 100644
--- a/manual/argp.texi
+++ b/manual/argp.texi
@@ -495,7 +495,9 @@ case ARGP_KEY_ARGS:
 @comment argp.h
 @comment GNU
 @item ARGP_KEY_END
-There are no more command line arguments at all.
+There are no more command line arguments at all.  The parser functions
+are called in different order (means children first) for this value
+which allows each parser to clean up its state for the parent.
 
 @comment argp.h
 @comment GNU