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-rw-r--r--src/app/config/confparse.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/app/config/confparse.c b/src/app/config/confparse.c
index 95e73eeab5..324009b597 100644
--- a/src/app/config/confparse.c
+++ b/src/app/config/confparse.c
@@ -951,6 +951,9 @@ config_is_same(const config_mgr_t *mgr,
* Return a list of the options which have changed between <b>options1</b> and
* <b>options2</b>. If an option has reverted to its default value, it has a
* value entry of NULL.
+ *
+ * <b>options1</b> and <b>options2</b> must be top-level configuration objects
+ * of the type managed by <b>mgr</b>.
**/
config_line_t *
config_get_changes(const config_mgr_t *mgr,