diff --git a/nmap-os-db b/nmap-os-db
index 632be9b5e..bebc7bdb0 100644
--- a/nmap-os-db
+++ b/nmap-os-db
@@ -13748,7 +13748,7 @@ IE(DFI=S%T=3B-45%TG=40%CD=S)
 
 # FreeBSD 5.1
 Fingerprint FreeBSD 5.1
-Class FreeBSD | FreeBSD | 5.x | general purpose
+Class FreeBSD | FreeBSD | 5.X | general purpose
 SEQ(SP=FA-104%GCD=1-6%ISR=100-10E%TI=I%II=I%SS=S%TS=7)
 OPS(O1=M5B4NW1NNT11%O2=M5B4NW1NNT11%O3=M5B4NW1NNT11%O4=M5B4NW1NNT11%O5=M5B4NW1NNT11%O6=M5B4NNT11)
 WIN(W1=FFFF%W2=FFFF%W3=FFFF%W4=FFFF%W5=FFFF%W6=FFFF)
@@ -13765,7 +13765,7 @@ IE(DFI=S%T=3B-45%TG=40%CD=S)
 
 # FreeBSD 5.2.1-RC2 FreeBSD 5.2.1
 Fingerprint FreeBSD 5.2.1-RC2
-Class FreeBSD | FreeBSD | 5.x | general purpose
+Class FreeBSD | FreeBSD | 5.X | general purpose
 SEQ(SP=101-10B%GCD=1-6%ISR=103-10F%TI=I%II=I%SS=S%TS=U)
 OPS(O1=M5B4%O2=M5B4%O3=M5B4%O4=M5B4%O5=M5B4%O6=M5B4)
 WIN(W1=FFFF%W2=FFFF%W3=FFFF%W4=FFFF%W5=FFFF%W6=FFFF)
@@ -13922,7 +13922,7 @@ IE(DFI=S%T=3B-45%TG=40%CD=S)
 
 # FreeBSD 5.5-STABLE FreeBSD 5.5-STABLE #0: Fri Aug 25 18:10:37 CEST 2006
 Fingerprint FreeBSD 5.5-STABLE
-Class FreeBSD | FreeBSD | 5.x | general purpose
+Class FreeBSD | FreeBSD | 5.X | general purpose
 SEQ(SP=101-10B%GCD=1-6%ISR=108-112%TI=I%II=I%SS=S%TS=U)
 OPS(O1=M5B4%O2=M5B4%O3=M5B4%O4=M5B4%O5=M5B4%O6=M5B4)
 WIN(W1=FFFF%W2=FFFF%W3=FFFF%W4=FFFF%W5=FFFF%W6=FFFF)