diff --git a/bterm.h b/bterm.h
index 9cb4984..deab9da 100644
--- a/bterm.h
+++ b/bterm.h
@@ -116,10 +116,8 @@ static keyname_t key_names[] = {
     {KEY_DELETE, "Delete"},
     {KEY_HOME, "Home"},
     {KEY_END, "End"},
-    {KEY_PGUP, "PgUp"},
-    {KEY_PGUP, "Page Up"},
-    {KEY_PGDN, "PgDn"},
-    {KEY_PGDN, "Page Down"},
+    {KEY_PGUP, "PgUp"}, {KEY_PGUP, "Page Up"},
+    {KEY_PGDN, "PgDn"}, {KEY_PGDN, "Page Down"},
     {KEY_ARROW_UP, "Up"},
     {KEY_ARROW_DOWN, "Down"},
     {KEY_ARROW_LEFT, "Left"},
@@ -143,16 +141,11 @@ static keyname_t key_names[] = {
     {KEY_CTRL_W, "Ctrl-w"}, {KEY_CTRL_X, "Ctrl-x"}, {KEY_CTRL_Y, "Ctrl-y"},
     {KEY_CTRL_Z, "Ctrl-z"},
     {KEY_ESC, "Esc"}, {KEY_ESC, "Escape"},
-    {KEY_CTRL_TILDE, "Ctrl-~"},
-    {KEY_CTRL_TILDE, "Ctrl-2"},
-    {KEY_CTRL_BACKSLASH, "Ctrl-\\"},
-    {KEY_CTRL_BACKSLASH, "Ctrl-4"},
-    {KEY_CTRL_RSQ_BRACKET, "Ctrl-]"},
-    {KEY_CTRL_RSQ_BRACKET, "Ctrl-5"},
+    {KEY_CTRL_TILDE, "Ctrl-~"}, {KEY_CTRL_TILDE, "Ctrl-2"},
+    {KEY_CTRL_BACKSLASH, "Ctrl-\\"}, {KEY_CTRL_BACKSLASH, "Ctrl-4"},
+    {KEY_CTRL_RSQ_BRACKET, "Ctrl-]"}, {KEY_CTRL_RSQ_BRACKET, "Ctrl-5"},
     {KEY_CTRL_6, "Ctrl-6"},
-    {KEY_CTRL_SLASH, "Ctrl-_"},
-    {KEY_CTRL_SLASH, "Ctrl-/"},
-    {KEY_CTRL_SLASH, "Ctrl-7"},
+    {KEY_CTRL_SLASH, "Ctrl-_"}, {KEY_CTRL_SLASH, "Ctrl-/"}, {KEY_CTRL_SLASH, "Ctrl-7"},
     {KEY_SPACE, "Space"},
     {KEY_BACKSPACE2, "Backspace"},
 };