diff --git a/spcd/bootstrap.sh b/spcd/bootstrap.sh
index 88c1dfa..2edd1c7 100644
--- a/spcd/bootstrap.sh
+++ b/spcd/bootstrap.sh
@@ -53,21 +53,21 @@ _spcd_fill() {
 # │ internals │ banner │
 # ╰───────────┴────────╯
 
-SPCD_BANNER_DOWN_AND_HORIZONTAL="┬"
-SPCD_BANNER_DOWN_AND_LEFT="╮"
-SPCD_BANNER_DOWN_AND_RIGHT="╭"
-SPCD_BANNER_HORIZONTAL="─"
-SPCD_BANNER_UP_AND_HORIZONTAL="┴"
-SPCD_BANNER_UP_AND_LEFT="╯"
-SPCD_BANNER_UP_AND_RIGHT="╰"
-SPCD_BANNER_VERTICAL="│"
+_SPCD_BANNER_DOWN_AND_HORIZONTAL="┬"
+_SPCD_BANNER_DOWN_AND_LEFT="╮"
+_SPCD_BANNER_DOWN_AND_RIGHT="╭"
+_SPCD_BANNER_HORIZONTAL="─"
+_SPCD_BANNER_UP_AND_HORIZONTAL="┴"
+_SPCD_BANNER_UP_AND_LEFT="╯"
+_SPCD_BANNER_UP_AND_RIGHT="╰"
+_SPCD_BANNER_VERTICAL="│"
 
 _spcd_banner_add() {
     if [ -n "${1}" ]; then
         spcd_ba__text=" ${1} "
         spcd_ba__length=${#spcd_ba__text}
         spcd_ba__filler="$(
-            _spcd_fill "${spcd_ba__length}" "${SPCD_BANNER_HORIZONTAL}"
+            _spcd_fill "${spcd_ba__length}" "${_SPCD_BANNER_HORIZONTAL}"
         )"
         if [ -n "${SPCD_BANNER_MIDDLE}" ]; then
             _spcd_banner_split
@@ -112,9 +112,9 @@ ${SPCD_BANNER_BOTTOM}"
 
 _spcd_banner_open() {
     _spcd_banner_append \
-        "${SPCD_BANNER_DOWN_AND_RIGHT}" \
-        "${SPCD_BANNER_VERTICAL}" \
-        "${SPCD_BANNER_UP_AND_RIGHT}"
+        "${_SPCD_BANNER_DOWN_AND_RIGHT}" \
+        "${_SPCD_BANNER_VERTICAL}" \
+        "${_SPCD_BANNER_UP_AND_RIGHT}"
 }
 
 _spcd_banner_render() {
@@ -137,16 +137,16 @@ _spcd_banner_render() {
 
 _spcd_banner_shut() {
     _spcd_banner_append \
-        "${SPCD_BANNER_DOWN_AND_LEFT}" \
-        "${SPCD_BANNER_VERTICAL}" \
-        "${SPCD_BANNER_UP_AND_LEFT}"
+        "${_SPCD_BANNER_DOWN_AND_LEFT}" \
+        "${_SPCD_BANNER_VERTICAL}" \
+        "${_SPCD_BANNER_UP_AND_LEFT}"
 }
 
 _spcd_banner_split() {
     _spcd_banner_append \
-        "${SPCD_BANNER_DOWN_AND_HORIZONTAL}" \
-        "${SPCD_BANNER_VERTICAL}" \
-        "${SPCD_BANNER_UP_AND_HORIZONTAL}"
+        "${_SPCD_BANNER_DOWN_AND_HORIZONTAL}" \
+        "${_SPCD_BANNER_VERTICAL}" \
+        "${_SPCD_BANNER_UP_AND_HORIZONTAL}"
 }
 
 _spcd_banner_wipe() {