diff --git a/README.md b/README.md
index 45f5a28c..ef8b8f07 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-What datasheets we have
+What PDF datasheets we have
 
 - Sveral application notes GPON/EON SoC RTL9607C 
 - Switch controller RTL8330 datasheet
@@ -16,7 +16,7 @@ What datasheets we have
 - Transceiver RTL8218B, RTL8218D, RTL8218E
 - Transceiver RTL8221B (formerly known as RTL8226)
 
-What datasheets are we missing
+What PDF datasheets are we missing
 
 - Switch controller RTL8353M datasheet
 - Switch controller RTL8372 datasheet