diff --git a/src/models.py b/src/models.py
index 93445e2..726dad5 100644
--- a/src/models.py
+++ b/src/models.py
@@ -150,7 +150,7 @@ class DiscoverMultiResponse(BaseModel):
     fallback_single: bool = False
 
 
-# Domain-Aktionen (Sperren/Entsperren)
+# Domain-Aktionen (Ausschließen/Ausschluss aufheben)
 class DomainActionRequest(BaseModel):
     domain: str = Field(min_length=1, max_length=200)
     notes: Optional[str] = None
diff --git a/src/routers/sources.py b/src/routers/sources.py
index c512ab1..e3e5471 100644
--- a/src/routers/sources.py
+++ b/src/routers/sources.py
@@ -291,7 +291,7 @@ async def block_domain(
     current_user: dict = Depends(get_current_user),
     db: aiosqlite.Connection = Depends(db_dependency),
 ):
-    """Domain sperren: Alle Feeds deaktivieren + excluded-Eintrag anlegen."""
+    """Domain ausschließen: Alle Feeds deaktivieren + excluded-Eintrag anlegen."""
     tenant_id = current_user.get("tenant_id")
     domain = data.domain.lower().strip()
     username = current_user["username"]
@@ -351,7 +351,7 @@ async def unblock_domain(
     current_user: dict = Depends(get_current_user),
     db: aiosqlite.Connection = Depends(db_dependency),
 ):
-    """Domain entsperren: excluded-Eintrag loeschen + Feeds reaktivieren."""
+    """Domain-Ausschluss aufheben: excluded-Eintrag loeschen + Feeds reaktivieren."""
     tenant_id = current_user.get("tenant_id")
     domain = data.domain.lower().strip()
 
@@ -374,7 +374,7 @@ async def unblock_domain(
         feeds_reactivated = cursor.rowcount
     else:
         await db.execute(
-            """UPDATE sources SET source_type = 'web_source', status = 'active', notes = 'Entsperrt'
+            """UPDATE sources SET source_type = 'web_source', status = 'active', notes = 'Ausschluss aufgehoben'
                WHERE LOWER(domain) = ? AND source_type = 'excluded' AND (tenant_id IS NULL OR tenant_id = ?)""",
             (domain, tenant_id),
         )
diff --git a/src/static/css/style.css b/src/static/css/style.css
index 5f4367a..a022984 100644
--- a/src/static/css/style.css
+++ b/src/static/css/style.css
@@ -3437,7 +3437,7 @@ a:hover {
     gap: var(--sp-xs);
 }
 
-/* Gesperrte Domain */
+/* Ausgeschlossene Domain */
 .source-group-header.excluded {
     grid-template-columns: 1fr auto auto;
     border-left: 3px solid var(--error);
diff --git a/src/static/dashboard.html b/src/static/dashboard.html
index 8a2b399..2ecd5c1 100644
--- a/src/static/dashboard.html
+++ b/src/static/dashboard.html
@@ -427,7 +427,7 @@
                             <option value="">Alle Typen</option>
                             <option value="rss_feed">RSS-Feed</option>
                             <option value="web_source">Web-Quelle</option>
-                            <option value="excluded">Gesperrt</option>
+                            <option value="excluded">Ausgeschlossen</option>
                         </select>
                         <label for="sources-filter-category" class="sr-only">Kategorie filtern</label>
                         <select id="sources-filter-category" class="timeline-filter-select" onchange="App.filterSources()">
@@ -447,12 +447,12 @@
                         <input type="text" id="sources-search" class="timeline-filter-input sources-search-input" placeholder="Suche..." oninput="App.filterSources()">
                     </div>
                     <div class="sources-toolbar-actions">
-                        <button class="btn btn-secondary btn-small source-block-btn" onclick="App.showBlockDomainDialog()">Domain sperren</button>
+                        <button class="btn btn-secondary btn-small source-block-btn" onclick="App.showBlockDomainDialog()">Domain ausschließen</button>
                         <button class="btn btn-primary btn-small" onclick="App.toggleSourceForm()">+ Quelle</button>
                     </div>
                 </div>
 
-                <!-- Inline-Formular: Domain sperren (ein-/ausklappbar) -->
+                <!-- Inline-Formular: Domain ausschließen (ein-/ausklappbar) -->
                 <div class="sources-add-form" id="sources-block-form" style="display:none;">
                     <div class="sources-form-row">
                         <div class="form-group flex-1">
@@ -463,7 +463,7 @@
                             <label for="block-domain-notes">Notizen</label>
                             <input type="text" id="block-domain-notes" class="source-notes-input" placeholder="Optional">
                         </div>
-                        <button class="btn btn-danger btn-small" onclick="App.blockDomain()">Sperren</button>
+                        <button class="btn btn-danger btn-small" onclick="App.blockDomain()">Ausschließen</button>
                         <button class="btn btn-secondary btn-small" onclick="App.showBlockDomainDialog(false)">Abbrechen</button>
                     </div>
                 </div>
diff --git a/src/static/js/app.js b/src/static/js/app.js
index 5daa075..9b117eb 100644
--- a/src/static/js/app.js
+++ b/src/static/js/app.js
@@ -2199,7 +2199,7 @@ const App = {
         bar.innerHTML = `
             <span class="sources-stat-item"><span class="sources-stat-value">${rss.count}</span> RSS-Feeds</span>
             <span class="sources-stat-item"><span class="sources-stat-value">${web.count}</span> Web-Quellen</span>
-            <span class="sources-stat-item"><span class="sources-stat-value">${excluded}</span> Gesperrt</span>
+            <span class="sources-stat-item"><span class="sources-stat-value">${excluded}</span> Ausgeschlossen</span>
             <span class="sources-stat-item"><span class="sources-stat-value">${stats.total_articles}</span> Artikel gesamt</span>
         `;
     },
@@ -2237,7 +2237,7 @@ const App = {
             groups.get(domain).push(s);
         });
 
-        // Gesperrte Domains die keine Feeds haben auch als Gruppe
+        // Ausgeschlossene Domains die keine Feeds haben auch als Gruppe
         this._blacklistOnly.forEach(s => {
             const domain = (s.domain || s.name || '').toLowerCase();
             if (domain && !groups.has(domain)) {
@@ -2279,7 +2279,7 @@ const App = {
             return;
         }
 
-        // Sortierung: Aktive zuerst (alphabetisch), dann gesperrte
+        // Sortierung: Aktive zuerst (alphabetisch), dann ausgeschlossene
         filteredGroups.sort((a, b) => {
             if (a.isExcluded !== b.isExcluded) return a.isExcluded ? 1 : -1;
             return a.domain.localeCompare(b.domain);
@@ -2364,7 +2364,7 @@ const App = {
     },
 
     /**
-     * Domain sperren (aus dem Inline-Formular).
+     * Domain ausschließen (aus dem Inline-Formular).
      */
     async blockDomain() {
         const input = document.getElementById('block-domain-input');
@@ -2378,7 +2378,7 @@ const App = {
 
         try {
             await API.blockDomain(domain, notes);
-            UI.showToast(`${domain} gesperrt.`, 'success');
+            UI.showToast(`${domain} ausgeschlossen.`, 'success');
             this.showBlockDomainDialog(false);
             await this.loadSources();
             this.updateSidebarStats();
@@ -2437,10 +2437,10 @@ const App = {
     },
 
     /**
-     * Domain direkt sperren (aus der Gruppenliste).
+     * Domain direkt ausschließen (aus der Gruppenliste).
      */
     async blockDomainDirect(domain) {
-        if (!await confirmDialog(`"${domain}" wirklich sperren? Alle Feeds dieser Domain werden deaktiviert.`)) return;
+        if (!await confirmDialog(`"${domain}" wirklich ausschließen? Alle Feeds dieser Domain werden deaktiviert.`)) return;
 
         try {
             await API.blockDomain(domain);
@@ -2453,12 +2453,12 @@ const App = {
     },
 
     /**
-     * Domain entsperren.
+     * Domain-Ausschluss aufheben.
      */
     async unblockDomain(domain) {
         try {
             await API.unblockDomain(domain);
-            UI.showToast(`${domain} entsperrt.`, 'success');
+            UI.showToast(`${domain} Ausschluss aufgehoben.`, 'success');
             await this.loadSources();
             this.updateSidebarStats();
         } catch (err) {
@@ -2499,7 +2499,7 @@ const App = {
     },
 
     /**
-     * "Domain sperren" Dialog ein-/ausblenden.
+     * "Domain ausschließen" Dialog ein-/ausblenden.
      */
     showBlockDomainDialog(show) {
         const form = document.getElementById('sources-block-form');
@@ -2558,12 +2558,12 @@ const App = {
             return;
         }
 
-        // Prüfen ob Domain gesperrt ist
+        // Prüfen ob Domain ausgeschlossen ist
         const inputDomain = url.replace(/^https?:\/\//, '').replace(/^www\./, '').split('/')[0].toLowerCase();
         const isBlocked = inputDomain && this._blacklistOnly.some(s => (s.domain || '').toLowerCase() === inputDomain);
 
         if (isBlocked) {
-            if (!await confirmDialog(`"${inputDomain}" ist gesperrt. Trotzdem hinzufügen? Die Domain wird dabei entsperrt.`)) return;
+            if (!await confirmDialog(`"${inputDomain}" ist ausgeschlossen. Trotzdem hinzufügen? Der Ausschluss wird dabei aufgehoben.`)) return;
             await API.unblockDomain(inputDomain);
         }
 
diff --git a/src/static/js/components.js b/src/static/js/components.js
index 88a3211..e2b970a 100644
--- a/src/static/js/components.js
+++ b/src/static/js/components.js
@@ -537,16 +537,16 @@ const UI = {
         const escapedDomain = this.escape(domain);
 
         if (isExcluded) {
-            // Gesperrte Domain
+            // Ausgeschlossene Domain
             const notesHtml = excludedNotes ? ` <span class="source-group-notes">${this.escape(excludedNotes)}</span>` : '';
             return `<div class="source-group">
                 <div class="source-group-header excluded">
                     <div class="source-group-info">
                         <span class="source-group-name">${this.escape(displayName)}</span>${notesHtml}
                     </div>
-                    <span class="source-excluded-badge">Gesperrt</span>
+                    <span class="source-excluded-badge">Ausgeschlossen</span>
                     <div class="source-group-actions">
-                        <button class="btn btn-small btn-secondary" onclick="App.unblockDomain('${escapedDomain}')">Entsperren</button>
+                        <button class="btn btn-small btn-secondary" onclick="App.unblockDomain('${escapedDomain}')">Ausschluss aufheben</button>
                         <button class="source-delete-btn" onclick="App.deleteDomain('${escapedDomain}')" title="Löschen" aria-label="Löschen">&times;</button>
                     </div>
                 </div>
@@ -592,7 +592,7 @@ const UI = {
                 ${feedCountBadge}
                 <div class="source-group-actions" onclick="event.stopPropagation()">
                     ${!hasMultiple && feeds[0]?.id ? `<button class="source-edit-btn" onclick="App.editSource(${feeds[0].id})" title="Bearbeiten" aria-label="Bearbeiten">&#9998;</button>` : ''}
-                    <button class="btn btn-small btn-secondary" onclick="App.blockDomainDirect('${escapedDomain}')">Sperren</button>
+                    <button class="btn btn-small btn-secondary" onclick="App.blockDomainDirect('${escapedDomain}')">Ausschließen</button>
                     <button class="source-delete-btn" onclick="App.deleteDomain('${escapedDomain}')" title="Löschen" aria-label="Löschen">&times;</button>
                 </div>
             </div>