diff --git a/localization/English.json b/localization/English.json
index 033b08a..aaeaf39 100644
--- a/localization/English.json
+++ b/localization/English.json
@@ -12,7 +12,7 @@
     "UploadForm_Upload": "Upload",
     "UploadForm_Cancel": "Cancel",
     "UploadForm_NoApiKey": "You have not entered an API key. Please go to settings and add one.",
-    "UploadForm_InvalidLength": "You have entered an API key, but the key does not have valid length. Key should contain 64 characters.",
+    "UploadForm_InvalidLength": "Invalid API key length. The key must contain 64 characters.",
     "UploadForm_InvalidKey": "Invalid API key",
     "Message_Idle": "Idle.",
     "Message_Init": "Initializing...",
diff --git a/uploader/uploader/LocalizationBase.cs b/uploader/uploader/LocalizationBase.cs
index 75ce5df..cf60337 100644
--- a/uploader/uploader/LocalizationBase.cs
+++ b/uploader/uploader/LocalizationBase.cs
@@ -19,12 +19,12 @@ namespace uploader
         public string SettingsForm_Language = "Language";
         public string SettingsForm_Save = "Save";
         public string SettingsForm_Open = "Open settings file";
-        
+
         public string UploadForm_Info = "File information";
         public string UploadForm_Upload = "Upload";
         public string UploadForm_Cancel = "Cancel";
         public string UploadForm_NoApiKey = "You have not entered an API key. Please go to settings and add one.";
-        public string UploadForm_InvalidLength = "You have entered an API key, but the key does not have valid length. Key should contain 64 characters.";
+        public string UploadForm_InvalidLength = "Invalid API key length. The key must contain 64 characters.";
         public string UploadForm_InvalidKey = "Invalid API key";
 
         public string Message_Idle = "Idle.";