diff --git a/toc/A.json b/toc/A.json
index b1ceede..d939714 100644
--- a/toc/A.json
+++ b/toc/A.json
@@ -420,15 +420,15 @@
                     "video_url": null
                 },
                 {
-                    "title": "Verstärkerklassen",
-                    "ident": "verstaerker_klasse",
+                    "title": "Wirkungsgrad",
+                    "ident": "verstaerker_wirkungsgrad",
                     "status": "alpha",
                     "class": "A",
                     "video_url": null
                 },
                 {
-                    "title": "Wirkungsgrad",
-                    "ident": "verstaerker_wirkungsgrad",
+                    "title": "Verstärkerklassen",
+                    "ident": "verstaerker_klasse",
                     "status": "alpha",
                     "class": "A",
                     "video_url": null
diff --git a/toc/EA.json b/toc/EA.json
index ec9bdfd..6ad5b65 100644
--- a/toc/EA.json
+++ b/toc/EA.json
@@ -765,15 +765,15 @@
                     "video_url": null
                 },
                 {
-                    "title": "Verstärkerklassen",
-                    "ident": "verstaerker_klasse",
+                    "title": "Wirkungsgrad",
+                    "ident": "verstaerker_wirkungsgrad",
                     "status": "alpha",
                     "class": "A",
                     "video_url": null
                 },
                 {
-                    "title": "Wirkungsgrad",
-                    "ident": "verstaerker_wirkungsgrad",
+                    "title": "Verstärkerklassen",
+                    "ident": "verstaerker_klasse",
                     "status": "alpha",
                     "class": "A",
                     "video_url": null
diff --git a/toc/NEA.json b/toc/NEA.json
index 214ec34..a45742b 100644
--- a/toc/NEA.json
+++ b/toc/NEA.json
@@ -1216,15 +1216,15 @@
                     "video_url": null
                 },
                 {
-                    "title": "Verstärkerklassen",
-                    "ident": "verstaerker_klasse",
+                    "title": "Wirkungsgrad",
+                    "ident": "verstaerker_wirkungsgrad",
                     "status": "alpha",
                     "class": "A",
                     "video_url": null
                 },
                 {
-                    "title": "Wirkungsgrad",
-                    "ident": "verstaerker_wirkungsgrad",
+                    "title": "Verstärkerklassen",
+                    "ident": "verstaerker_klasse",
                     "status": "alpha",
                     "class": "A",
                     "video_url": null