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diff --git a/src/main/pair.c b/src/main/pair.c
index 0250206ff9427de3d0a7745254854978cd148d07..72977364a085100128b12fa72c4d69990e68061f 100644 (file)
--- a/src/main/pair.c
+++ b/src/main/pair.c
@@ -347,7 +347,9 @@ static bool otherattr(fr_dict_attr_t const *attribute, fr_dict_attr_t const **fr
  * @param first_only will decide if we loop over the request attributes or stop on the first one.
  * @param func comparison function.
  * @param instance argument to comparison function.
- * @return 0
+ * @return
+ *     - 0 on success
+ *     - <0 on error
  */
 int paircompare_register_byname(char const *name, fr_dict_attr_t const *from,
                                bool first_only, RAD_COMPARE_FUNC func, void *instance)