1 files changed, 5 insertions, 0 deletions
diff --git a/parse-options.h b/parse-options.h
index 33c683c..aeed627 100644
--- a/parse-options.h
+++ b/parse-options.h
@@ -119,6 +119,11 @@ enum {
 	PARSE_OPT_UNKNOWN,
 };
 
+/*
+ * It's okay for the caller to consume argv/argc in the usual way.
+ * Other fields of that structure are private to parse-options and should not
+ * be modified in any way.
+ */
 struct parse_opt_ctx_t {
 	const char **argv;
 	const char **out;