Small wording changes for dump conversions

Source/Core/DolphinQt/ConvertDialog.cpp

@@ -367,7 +367,7 @@ void ConvertDialog::Convert()
   if (m_files.size() > 1)
   {
     dst_dir = DolphinFileDialog::getExistingDirectory(
-        this, tr("Save Converted Image"),
+        this, tr("Save Converted Images"),
         QFileInfo(QString::fromStdString(m_files[0]->GetFilePath())).dir().absolutePath());
 
     if (dst_dir.isEmpty())

Source/Core/DolphinTool/ConvertCommand.cpp

@@ -260,7 +260,7 @@ int ConvertCommand(const std::vector<std::string>& args)
   {
     if (!compression_o.has_value())
     {
-      fmt::print(std::cerr, "Error: Compression format must be set for WIA or RVZ\n");
+      fmt::print(std::cerr, "Error: Compression method must be set for WIA or RVZ\n");
       return EXIT_FAILURE;
     }