reword Trusted paragraph in sources.list(5)

Git-Dch: Ignore

doc/sources.list.5.xml

@@ -271,15 +271,14 @@ deb-src [ option1=value1 option2=value2 ] uri suite [component1] [component2] [.
 		is a tri-state value which defaults to APT deciding if a source
 		is considered trusted or if warnings should be raised before e.g.
 		packages are installed from this source. This option can be used
-		to override this decision either with the value <literal>yes</literal>,
-		which lets APT consider this source always as a trusted source,
-		even if it lacks or fails authentication checks, by disabling parts
-		of &apt-secure;. It should therefore only be used in a local and trusted
-		context (if at all) as otherwise security is breached. The opposite
-		can be achieved with the value <literal>no</literal>, which
-		causes the source to be handled as untrusted even if the
-		authentication checks passed successfully.
-		The default value can't be set explicitly.
+		to override that decision. The value <literal>yes</literal> tells APT
+		always to consider this source as trusted, even if it doesn't pass
+		authentication checks. It disables parts of &apt-secure;, and should
+		therefore only be used in a local and trusted context (if at all) as
+		otherwise security is breached. The value <literal>no<literal> does
+		the opposite, causing the source to be handled as untrusted even if
+		the authentication checks passed successfully. The default value can't
+		be set explicitly.
 	  </para></listitem>
 
 	  <listitem><para><option>Signed-By</option> (<option>signed-by</option>)