diff --git a/include/sltdl/sltdl.h b/include/sltdl/sltdl.h
index 9d3aaac..0c822e7 100644
--- a/include/sltdl/sltdl.h
+++ b/include/sltdl/sltdl.h
@@ -7,6 +7,19 @@
 extern "C" {
 #endif
 
+/**********************************************************************/
+/*                                                                    */
+/* this header povides projects that depend on ltdl's interfaces the  */
+/* most necessary macro definitions, type definitions, and forward    */
+/* declarations.                                                      */
+/*                                                                    */
+/* if your library or utility does not yet use libltdl, then it is    */
+/* strongly recommended that you use the various posix interfaces as  */
+/* defined in <dlfcn.h>, and accordingly refrain from using libsltdl  */
+/* altogether.                                                        */
+/*                                                                    */
+/**********************************************************************/
+
 #ifdef __cplusplus
 }
 #endif