Fix typo in biosdecode man page

This closes bug #41642.

Author: jdelvare

man/biosdecode.8

@@ -52,7 +52,7 @@ for a more detailed output.
 .B biosdecode
 started its life as a part of
 .B dmidecode
-but as more entry point types were added, if was moved to a different
+but as more entry point types were added, it was moved to a different
 program.
 
 .SH OPTIONS