diff --git a/gui/main.cpp b/gui/main.cpp
index 31111bb1d2..4ed488f724 100644
--- a/gui/main.cpp
+++ b/gui/main.cpp
@@ -218,7 +218,7 @@ int main(int argc, char *argv[])
             if (vm.count("input-files"))
                 inputFiles = vm["input-files"].as<std::vector<std::string>>();
             if (vm.count("project")) {
-                w.setConfig(vm["project"].as<std::string>(), inputFiles);
+                w.setProjectFile(vm["project"].as<std::string>(), inputFiles);
             } else {
                 w.addInputFiles(inputFiles);
             }
diff --git a/gui/mainwindow.cpp b/gui/mainwindow.cpp
index 138c814c74..c4c0b55a69 100644
--- a/gui/mainwindow.cpp
+++ b/gui/mainwindow.cpp
@@ -281,17 +281,17 @@ void displayError(const scram::Error &err, const QString &title,
 
 } // namespace
 
-bool MainWindow::setConfig(const std::string &configPath,
-                           std::vector<std::string> inputFiles)
+bool MainWindow::setProjectFile(const std::string &projectFilePath,
+                                std::vector<std::string> inputFiles)
 {
     try {
-        Project config(configPath);
-        inputFiles.insert(inputFiles.begin(), config.input_files().begin(),
-                          config.input_files().end());
-        mef::Initializer(inputFiles, config.settings());
+        Project project(projectFilePath);
+        inputFiles.insert(inputFiles.begin(), project.input_files().begin(),
+                          project.input_files().end());
+        mef::Initializer(inputFiles, project.settings());
         if (!addInputFiles(inputFiles))
             return false;
-        m_settings = config.settings();
+        m_settings = project.settings();
     } catch (const scram::IOError &err) {
         displayError(err, _("Configuration file error"), this);
         return false;
@@ -304,7 +304,7 @@ bool MainWindow::setConfig(const std::string &configPath,
                      this);
         return false;
     } catch (const scram::VersionError &err) {
-        displayError(err, tr("Version Error"), tr("Version incompatibility"),
+        displayError(err, _("Version Error"), _("Version incompatibility"),
                      this);
         return false;
     }
@@ -357,7 +357,7 @@ bool MainWindow::addInputFiles(const std::vector<std::string> &inputFiles)
         return false;
     }
 
-    emit configChanged();
+    emit projectChanged();
     return true;
 }
 
@@ -548,7 +548,7 @@ void MainWindow::setupConnections()
     });
     connect(ui->actionRun, &QAction::triggered, this, &MainWindow::runAnalysis);
 
-    connect(this, &MainWindow::configChanged, [this] {
+    connect(this, &MainWindow::projectChanged, [this] {
         m_undoStack->clear();
         setWindowTitle(QStringLiteral("%1[*]").arg(getModelNameForTitle()));
         ui->actionSaveAs->setEnabled(true);
@@ -658,7 +658,7 @@ void MainWindow::createNewModel()
     m_inputFiles.clear();
     m_model = std::make_unique<mef::Model>();
 
-    emit configChanged();
+    emit projectChanged();
 }
 
 void MainWindow::openFiles(QString directory)
diff --git a/gui/mainwindow.h b/gui/mainwindow.h
index cd54e10ffb..b54bed604d 100644
--- a/gui/mainwindow.h
+++ b/gui/mainwindow.h
@@ -61,17 +61,17 @@ class MainWindow : public QMainWindow
     explicit MainWindow(QWidget *parent = nullptr);
     ~MainWindow();
 
-    /// Loads a model and analysis configuration from a file.
+    /// Loads a model and analysis from a project file.
     ///
-    /// @param[in] configPath  The path to the configuration file.
+    /// @param[in] projectFilePath  The path to the project configuration file.
     /// @param[in] inputFiles  Additional input files for model initialization.
     ///
     /// @returns true if the initialization is successful.
     ///
     /// @post No side effects are left-over
     ///       if the initialization is not successful.
-    bool setConfig(const std::string &configPath,
-                   std::vector<std::string> inputFiles = {});
+    bool setProjectFile(const std::string &projectFilePath,
+                        std::vector<std::string> inputFiles = {});
 
     /// Adds a new set of model elements from input files.
     ///
@@ -85,8 +85,8 @@ class MainWindow : public QMainWindow
     bool addInputFiles(const std::vector<std::string> &inputFiles);
 
 signals:
-    /// Indicates addition of new input or configuration files.
-    void configChanged();
+    /// Indicates addition of new input or project files.
+    void projectChanged();
 
 private slots:
     /// Opens a new project configuration.