diff --git a/nmap-os-db b/nmap-os-db
index 355e5f2e7..1217b1a80 100644
--- a/nmap-os-db
+++ b/nmap-os-db
@@ -23422,7 +23422,8 @@ U1(DF=N%T=FF%TG=FF%TOS=0%IPL=38%UN=0%RIPL=15C%RID=G%RIPCK=I%RUCK=0%RUL=G%RUD=G)
 IE(DFI=S%T=FF%TG=FF%TOSI=S%CD=S%SI=S%DLI=S)
 
 # Plan 9 from Bell Labs (4th edition)
-Fingerprint Bell Labs | Plan 9 | 4th edition | general purpose
+Fingerprint Bell Labs Plan 9 4th edition
+Class Bell Labs | Plan 9 | 4th edition | general purpose
 SEQ(SP=100-10C%GCD=<7%ISR=104-10E%TI=I%II=I%SS=S%TS=U)
 OPS(O1=M5B4W1N%O2=M5B4W1N%O3=M5B4W1N%O4=M5B4W1N%O5=M5B4W1N%O6=M5B4)
 WIN(W1=FFFF%W2=FFFF%W3=FFFF%W4=FFFF%W5=FFFF%W6=FFFF)