diff --git a/webapp/src/locales/de.json b/webapp/src/locales/de.json
index f299682..a12cb15 100644
--- a/webapp/src/locales/de.json
+++ b/webapp/src/locales/de.json
@@ -558,6 +558,8 @@
     },
     "about": {
         "AboutOpendtu": "Über OpenDTU",
+        "Documentation": "Dokumentation",
+        "DocumentationBody": "Die Firmware- und Hardware-Dokumentation ist hier zu finden: <a href=\"https://www.opendtu.solar\" target=\"_blank\">https://www.opendtu.solar</a>",
         "ProjectOrigin": "Projekt Ursprung",
         "ProjectOriginBody1": "Das Projekt wurde aus <a href=\"https://www.mikrocontroller.net/topic/525778\" target=\"_blank\">dieser Diskussion (mikrocontroller.net)</a> heraus gestartet.",
         "ProjectOriginBody2": "Das Hoymiles-Protokoll wurde durch die freiwilligen Bemühungen vieler Teilnehmer entschlüsselt. OpenDTU wurde unter anderem auf der Grundlage dieser Arbeit entwickelt. Das Projekt ist unter einer Open-Source-Lizenz lizenziert (<a href=\"https://www.gnu.de/documents/gpl-2.0.de.html\" target=\"_blank\">GNU General Public License version 2</a>).",
diff --git a/webapp/src/locales/en.json b/webapp/src/locales/en.json
index 727649e..82fabba 100644
--- a/webapp/src/locales/en.json
+++ b/webapp/src/locales/en.json
@@ -558,6 +558,8 @@
     },
     "about": {
         "AboutOpendtu": "About OpenDTU",
+        "Documentation": "Documentation",
+        "DocumentationBody": "The firmware and hardware documentation can be found here: <a href=\"https://www.opendtu.solar\" target=\"_blank\">https://www.opendtu.solar</a>",
         "ProjectOrigin": "Project Origin",
         "ProjectOriginBody1": "This project was started from <a href=\"https://www.mikrocontroller.net/topic/525778\" target=\"_blank\">this discussion. (Mikrocontroller.net)</a>",
         "ProjectOriginBody2": "The Hoymiles protocol was decrypted through the voluntary efforts of many participants. OpenDTU, among others, was developed based on this work. The project is licensed under an Open Source License (<a href=\"https://www.gnu.de/documents/gpl-2.0.de.html\" target=\"_blank\">GNU General Public License version 2</a>).",
diff --git a/webapp/src/locales/fr.json b/webapp/src/locales/fr.json
index 78e4c2f..6a706b5 100644
--- a/webapp/src/locales/fr.json
+++ b/webapp/src/locales/fr.json
@@ -558,6 +558,8 @@
     },
     "about": {
         "AboutOpendtu": "À propos d'OpenDTU",
+        "Documentation": "Documentation",
+        "DocumentationBody": "The firmware and hardware documentation can be found here: <a href=\"https://www.opendtu.solar\" target=\"_blank\">https://www.opendtu.solar</a>",
         "ProjectOrigin": "Origine du projet",
         "ProjectOriginBody1": "Ce projet a été démarré suite à cette discussion <a href=\"https://www.mikrocontroller.net/topic/525778\" target=\"_blank\">(Mikrocontroller.net)</a>.",
         "ProjectOriginBody2": "Le protocole Hoymiles a été décrypté grâce aux efforts volontaires de nombreux participants. OpenDTU, entre autres, a été développé sur la base de ce travail. Le projet est sous licence Open Source (<a href=\"https://www.gnu.de/documents/gpl-2.0.de.html\" target=\"_blank\">GNU General Public License version 2</a>).",
diff --git a/webapp/src/views/AboutView.vue b/webapp/src/views/AboutView.vue
index 0fe7186..d0d5f19 100644
--- a/webapp/src/views/AboutView.vue
+++ b/webapp/src/views/AboutView.vue
@@ -2,15 +2,31 @@
     <BasePage :title="$t('about.AboutOpendtu')">
         <div class="accordion" id="accordionExample">
             <div class="accordion-item">
-                <h2 class="accordion-header" id="headingOne">
+                <h2 class="accordion-header" id="headingDocumentation">
                     <button class="accordion-button" type="button" data-bs-toggle="collapse"
-                        data-bs-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
+                        data-bs-target="#collapseDocumentation" aria-expanded="true" aria-controls="collapseOne">
+                        <span class="badge text-bg-secondary">
+                            <BIconInfoCircle class="fs-4" />
+                        </span>&nbsp;{{ $t('about.Documentation') }}
+                    </button>
+                </h2>
+                <div id="collapseDocumentation" class="accordion-collapse collapse show" aria-labelledby="headingDocumentation"
+                    data-bs-parent="#accordionExample">
+                    <div class="accordion-body">
+                        <p class="fw-normal" v-html="$t('about.DocumentationBody')"></p>
+                    </div>
+                </div>
+            </div>
+            <div class="accordion-item">
+                <h2 class="accordion-header" id="headingOne">
+                    <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"
+                        data-bs-target="#collapseOne" aria-expanded="false" aria-controls="collapseOne">
                         <span class="badge text-bg-secondary">
                             <BIconInfoCircle class="fs-4" />
                         </span>&nbsp;{{ $t('about.ProjectOrigin') }}
                     </button>
                 </h2>
-                <div id="collapseOne" class="accordion-collapse collapse show" aria-labelledby="headingOne"
+                <div id="collapseOne" class="accordion-collapse collapse" aria-labelledby="headingOne"
                     data-bs-parent="#accordionExample">
                     <div class="accordion-body">
                         <p class="fw-normal" v-html="$t('about.ProjectOriginBody1')"></p>
@@ -89,4 +105,4 @@ export default defineComponent({
     },
 });
 
-</script>
\ No newline at end of file
+</script>