patch 7.4.1057
Problem:    Typos in the :options window.
Solution:   Fix the typos. (Dominique Pelle)
diff --git a/runtime/optwin.vim b/runtime/optwin.vim
index ecfec90..7318483 100644
--- a/runtime/optwin.vim
+++ b/runtime/optwin.vim
@@ -794,7 +794,7 @@
 call append("$", "\t(local to buffer)")
 call <SID>BinOptionL("inf")
 if has("digraphs")
-  call append("$", "digraph\tenable entering digraps with c1 <BS> c2")
+  call append("$", "digraph\tenable entering digraphs with c1 <BS> c2")
   call <SID>BinOptionG("dg", &dg)
 endif
 call append("$", "tildeop\tthe \"~\" command behaves like an operator")
@@ -1199,7 +1199,7 @@
   call <SID>BinOptionG("tbidi", &tbidi)
 endif
 if has("keymap")
-  call append("$", "keymap\tname of a keyboard mappping")
+  call append("$", "keymap\tname of a keyboard mapping")
   call <SID>OptionL("kmp")
 endif
 if has("langmap")