diff --git a/mcufriend_kbv_2_8.txt b/mcufriend_kbv_2_8.txt
index aced41d..5b75d12 100644
--- a/mcufriend_kbv_2_8.txt
+++ b/mcufriend_kbv_2_8.txt
@@ -2,7 +2,7 @@
 
 2. Unzip the attached "MCUFRIEND_kbv.zip" into your User libraries folder.
 
-3. Insert your Mcufriend style display shield into UNO.
+3. Insert your Mcufriend style display shield into UNO.   Only 28-pin shields are supported.
 
 4. Start your Arduino IDE.