diff --git a/README.MD b/README.MD
index f8f35b6..8e2000b 100644
--- a/README.MD
+++ b/README.MD
@@ -2,7 +2,7 @@
 
 This repo provides simulation code of HLS Arbitrary Precision Types.
 The code is based from headers shipped with Vivado,
-but due to absence of synthesis support it should not be used in an HLS project targeting FPGA.
+but due to absence of synthesis support **it should not be used in an HLS project targeting FPGA**.
 
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