diff --git a/Platforms.md b/Platforms.md
index c2e387c..076392f 100644
--- a/Platforms.md
+++ b/Platforms.md
@@ -38,4 +38,6 @@ The built in emulator supports the following platforms:
 * Super Nintendo Entertainment System
 * TurboGrafx-16/PC Engine
 * Turbografx-16/PC Engine CD
-* Virtual Boy
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+* Virtual Boy
+
+*Note:* Some of the above systems require a BIOS/firmware file in order to execute. To provide your own BIOS files, please read https://github.com/gaseous-project/gaseous-server/wiki/BIOS-System-Firmware
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