modules: readme files regenerated - dispatcher ... [skip ci]

src/modules/dispatcher/README

@@ -1131,7 +1131,7 @@ if(ds_select("1", "$var(a)")) {
        destination URI; '1', 'r' or 'R' to push the address in R-URI; '2',
        'x' or 'X' to push the address only in the XAVP when failure
        rerouting is enabled. Note that only first character of the
-       parameter matters, therefore once case use a more meaningful value
+       parameter matters, therefore one can use a more meaningful value
        such as 'ruri' instead of 'r'. The parameter can contain pseudo
        variables.
      * limit - a positive integer value to restrict the number of selected