diff --git a/doc/404main.1 b/doc/404main.1
index e34af04..a1b353a 100644
--- a/doc/404main.1
+++ b/doc/404main.1
@@ -15,7 +15,7 @@ all its build dependencies are in Ubuntu's main component or not.
 packages from the distribution you have first in your
 /etc/apt/sources.list file.
 .PP
-Also, because of this the <\fIdistribution\fP> option is NOT trustful, if
+Also, because of this the <\fIdistribution\fP> option is NOT trustworthy; if
 the dependencies changed YOU WILL GET INCORRECT RESULTS.
 
 .SH SEE ALSO