doc: Clarify use of clear and nodefault in the AKL.

--

doc/gpg.texi

@@ -1783,7 +1783,9 @@ list.  The default is "local,wkd".
 
   @item clear
   Clear all defined mechanisms.  This is useful to override
-  mechanisms given in a config file.
+  mechanisms given in a config file.  Note that a @code{nodefault} in
+  @var{mechanisms} will also be cleared unless it is given after the
+  @code{clear}.
 
 @end table
 

g10/gpg.c

@@ -3554,7 +3554,7 @@ main (int argc, char **argv)
 	  case oAutoKeyLocate:
             if (default_akl)
               {
-                /* This is the first time --aito-key-locate is seen.
+                /* This is the first time --auto-key-locate is seen.
                  * We need to reset the default akl.  */
                 default_akl = 0;
                 release_akl();