--- sort.1.in	2016-07-20 15:33:54.171743700 +0200
+++ sort.1.in.new	2016-07-20 15:34:46.704996500 +0200
@@ -133,7 +133,7 @@
 .It Fl s
 Stable sort.
 This option maintains the original record order of records that have
-and equal key.
+an equal key.
 This is a non-standard feature, but it is widely accepted and used.
 .It Fl Fl version
 Print the version and silently exits.