Update README.md

hyphenate/README.md

@@ -7,7 +7,11 @@ Install from the command line like so:
 
     raco pkg install hyphenate
     
-Then require it in your Racket file, in standard mode:
+Later, you an update like so:
+
+    raco pkg update hyphenate
+
+Import in standard mode:
 
     (require hyphenate)