rename additionalnames to company and set on second line

README.md

@@ -118,7 +118,7 @@ See this example_
 
     \givennames{Juan\ Pablo}
     \familynames{Martínez\ Escudero}
-    \additionalnames{Example\ Company\ Ltd.}
+    \company{Example\ Company\ Ltd.}
     \street{Im\ Stutz\ 123}
     \pobox{Postfach\ 4567}
     \phone{+41 52 123 45 67}
@@ -131,7 +131,7 @@ See this example_
 - `\familynames`: your family names
 - `\honoricprefix`: honorix name prefixes, e.g. academic titles
 - `\honoricsuffix`: honoric name suffixes
-- `\additionalnames`: additionl names — I use it for the company name in business cards
+- `\company`: company name — displayed on a second line below the name
 - `\pobox`: post office box
 - `\extaddr`: address extension, e.g. name of a building or floor number
 - `\street`: street and number of the address