Update note about FF3 removal from NIST standard

Author: bschoening

README.md

@@ -15,7 +15,7 @@
   </a>
 </p>
 
-**NOTE:** NIST's February 2025 Draft 2 has removed FF3 from the NIST standard. 
+**NOTE:** NIST's February 2025 Draft 2 has entirely removed FF3 from the NIST standard due to published vulnerabilities. 
 
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