diff --git a/src/carrays_uint16_t.i b/src/carrays_uint16_t.i
index f71a3c91..a5549ad0 100644
--- a/src/carrays_uint16_t.i
+++ b/src/carrays_uint16_t.i
@@ -1,3 +1,8 @@
+// From the SWIG documentation:
+//		Unlike #include, %include includes each file once
+//		(and will not reload the file on subsequent %include declarations).
+//		Therefore, it is not necessary to use include-guards in SWIG interfaces. 
+// So you can include this file and .i files for other C types
 %include "stdint.i"
 %include "carrays.i"
 %array_class(uint16_t, uint16Array);