diff --git a/src/option.c b/src/option.c
index e464806..611f171 100644
--- a/src/option.c
+++ b/src/option.c
@@ -768,7 +768,7 @@
     {"completeopt",   "cot",  P_STRING|P_VI_DEF|P_COMMA|P_NODUP,
 #ifdef FEAT_INS_EXPAND
 			    (char_u *)&p_cot, PV_NONE,
-			    {(char_u *)"menu", (char_u *)0L}
+			    {(char_u *)"menu,preview", (char_u *)0L}
 #else
 			    (char_u *)NULL, PV_NONE,
 			    {(char_u *)0L, (char_u *)0L}
@@ -2778,7 +2778,7 @@
 static char *(p_fcl_values[]) = {"all", NULL};
 #endif
 #ifdef FEAT_INS_EXPAND
-static char *(p_cot_values[]) = {"menu", "menuone", "longest", NULL};
+static char *(p_cot_values[]) = {"menu", "menuone", "longest", "preview", NULL};
 #endif
 
 static void set_option_default __ARGS((int, int opt_flags, int compatible));
diff --git a/src/structs.h b/src/structs.h
index 2d538a8..ba98339 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -2244,6 +2244,7 @@
 typedef struct
 {
     char_u	*pum_text;	/* main menu text */
+    char_u	*pum_kind;	/* extra kind text (may be truncated) */
     char_u	*pum_extra;	/* extra menu text (may be truncated) */
     char_u	*pum_info;	/* extra info */
 } pumitem_T;