diff --git a/src/option.h b/src/option.h
index 9a5570c..31fcdb8 100644
--- a/src/option.h
+++ b/src/option.h
@@ -343,7 +343,7 @@
 static char *(p_bo_values[]) = {"all", "backspace", "cursor", "complete",
 				 "copy", "ctrlg", "error", "esc", "ex",
 				 "hangul", "insertmode", "lang", "mess",
-				 "showmatch", "operator", "register", "shell", 
+				 "showmatch", "operator", "register", "shell",
 				 "spell", "wildmode", NULL};
 # endif