diff --git a/Jellyfin.Plugin.Tvdb/Configuration/config.html b/Jellyfin.Plugin.Tvdb/Configuration/config.html
index 303d974..bd5bb4f 100644
--- a/Jellyfin.Plugin.Tvdb/Configuration/config.html
+++ b/Jellyfin.Plugin.Tvdb/Configuration/config.html
@@ -18,7 +18,7 @@ <h2 class="sectionTitle">TheTVDB Settings:</h2>
                         <label for="txtTvdbApiKey">TheTvdb API Key:</label>
                         <input type="text" id="txtTvdbApiKey" is="emby-input" />
                         <div class="fieldDescription">
-                            TheTVDB Api Key from Subscriptions.
+                            Optional. TheTVDB Api Key from Subscriptions.
                         </div>
                     </div>
                     <div class="inputContainer">