Fix typo on tm module: Consecutives 'the'

src/modules/tm/doc/functions.xml

@@ -668,7 +668,7 @@ route {
 	    <function>t_reset_max_lifetime()</function>
 	</title>
 	<para>
-		Resets the the maximum lifetime for the current INVITE or non-INVITE 
+		Resets the maximum lifetime for the current INVITE or non-INVITE 
 		transaction to the default value (set using the tm module parameter
 		<varname>max_inv_lifetime</varname> or 
 		<varname>max_noninv_lifetime</varname>).