diff --git a/src/main.sh b/src/main.sh
index 2cb8064..ad31449 100755
--- a/src/main.sh
+++ b/src/main.sh
@@ -1,9 +1,23 @@
 #!/bin/bash
+#
+# wiki-cli - een kleine Wikipedia-zoektool voor de terminal.
+# Werkt zowel direct met argumenten (zoals nmcli) als interactief
+# in een shell-achtige loop wanneer je 'm zonder argumenten start.
+#
+# Gebruik:
+#   wiki-cli                     -> start interactieve modus
+#   wiki-cli search <term>       -> zoek direct naar pagina's
+#   wiki-cli lang [nl|en|fr|de]  -> toon of wijzig de interfacetaal
+#   wiki-cli help                -> toon hulp
 
 set -uo pipefail
 
+# ---------------------------------------------------------------------------
+# Config
+# ---------------------------------------------------------------------------
 CONFIG_DIR="$HOME/.config/wiki-cli"
 CONFIG_FILE="$CONFIG_DIR/config.conf"
+CACHE_FILE="$CONFIG_DIR/last_search"
 LANG_CODE="en"          # fallback totdat config geladen is
 SUPPORTED_LANGS=(nl en fr de)
 
@@ -48,6 +62,9 @@ first_run_setup() {
     save_config
 }
 
+# ---------------------------------------------------------------------------
+# Vertalingen
+# ---------------------------------------------------------------------------
 declare -A MSG
 
 MSG["nl,search_prompt"]="Zoek naar pagina's:"
@@ -149,6 +166,9 @@ t() {
     echo "${MSG["$LANG_CODE,$1"]}"
 }
 
+# ---------------------------------------------------------------------------
+# Dependencies
+# ---------------------------------------------------------------------------
 ensure_dependency() {
     local pkg="$1"
     if command -v "$pkg" >/dev/null 2>&1; then
@@ -168,8 +188,22 @@ check_dependencies() {
     ensure_dependency curl
 }
 
+# ---------------------------------------------------------------------------
+# Wikipedia-functies
+# ---------------------------------------------------------------------------
 TITELS=()
 
+save_titles() {
+    mkdir -p "$CONFIG_DIR"
+    printf '%s\n' "${TITELS[@]}" > "$CACHE_FILE"
+}
+
+load_titles() {
+    if [ -f "$CACHE_FILE" ]; then
+        mapfile -t TITELS < "$CACHE_FILE"
+    fi
+}
+
 zoek() {
     local term="$*"
     if [ -z "$term" ]; then
@@ -193,6 +227,8 @@ zoek() {
         return
     fi
 
+    save_titles
+
     for i in "${!TITELS[@]}"; do
         echo "$((i + 1)). ${TITELS[$i]}"
     done
@@ -247,6 +283,9 @@ set_lang() {
     fi
 }
 
+# ---------------------------------------------------------------------------
+# Command dispatch (gebruikt door zowel interactieve modus als losse call)
+# ---------------------------------------------------------------------------
 dispatch() {
     local cmd="$1"
     shift || true
@@ -284,12 +323,16 @@ interactive_mode() {
     done
 }
 
+# ---------------------------------------------------------------------------
+# Main
+# ---------------------------------------------------------------------------
 load_config
 if [ ! -f "$CONFIG_FILE" ]; then
     first_run_setup
 fi
 
 check_dependencies
+load_titles
 
 if [ "$#" -eq 0 ]; then
     interactive_mode