schema compile DOC fix default value simplementing new modules
diff --git a/src/schema_compile.h b/src/schema_compile.h
index c5f7ca5..bfbe6c8 100644
--- a/src/schema_compile.h
+++ b/src/schema_compile.h
@@ -274,7 +274,7 @@
  * What can cause new modules to be implemented when resolving unres in 5):
  * - leafref
  * - when, must
- * - identityref default value
+ * - identityref, instance-identifier default value
  * - new implemented module augments, deviations
  *
  * @param[in] ctx libyang context.