diff --git a/dftfringe_fr.ts b/dftfringe_fr.ts
index 343f672c..81bf2348 100644
--- a/dftfringe_fr.ts
+++ b/dftfringe_fr.ts
@@ -2473,7 +2473,7 @@ Wave Length nm</source>
     </message>
     <message>
         <location filename="mirrordlg.cpp" line="335"/>
-        <source>Read mirror configuratoin file</source>
+        <source>Read mirror configuration file</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
diff --git a/metricsdisplay.ui b/metricsdisplay.ui
index 076ef8eb..c657abba 100644
--- a/metricsdisplay.ui
+++ b/metricsdisplay.ui
@@ -188,7 +188,7 @@ Conic:</string>
          <bool>false</bool>
         </property>
         <property name="toolTip">
-         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Only computed if Artificial null is checked in Mirror Configuratoin.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+         <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Only computed if Artificial null is checked in Mirror Configuration.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
         </property>
         <property name="frameShape">
          <enum>QFrame::Panel</enum>
diff --git a/mirrordlg.cpp b/mirrordlg.cpp
index a065f2bb..b5038108 100644
--- a/mirrordlg.cpp
+++ b/mirrordlg.cpp
@@ -185,65 +185,23 @@ void mirrorDlg:: on_saveBtn_clicked()
 {
     QSettings settings;
     QString path = settings.value("mirrorConfigFile").toString();
-    if (m_useAnnular){
-        path.replace(".ini",".json");
-    }
-    QString extensionTypes(tr((m_useAnnular)? "config file (*.json)" : "config file (*.ini *.json)"));
-    QString fileName = QFileDialog::getSaveFileName(0,
+    QString extensionTypes("config file (*.json)");
+    QString fileName = QFileDialog::getSaveFileName(this,
                         tr("Save config file"), path,
                         extensionTypes);
-    if (fileName.isEmpty())
-        return;
-    if (QFileInfo(fileName).suffix().isEmpty()) { fileName.append(".json"); }
-    std::ofstream file(fileName.toStdString().c_str(),std::ios_base::out|std::ios_base::binary);
-    if (!file.is_open()) {
-        QMessageBox::warning(0, tr("Save mirror config."),
-                             tr("Cannot write file %1: ")
-                             .arg(fileName));
+    if (fileName.isEmpty()){
+        // cancel has been pressed
         return;
     }
-    if (fileName.endsWith(".json" )){
-        saveJson(fileName);
-    }
-    else {
-        if (m_useAnnular){
-            QMessageBox::warning(0, tr("Save Mirror config."),
-                                 tr(".ini file can not save annular data.  Chose file type of .json instead"));
-            return;
-        }
-        const unsigned char flag[] = {0xFF,0xFE,0xFF};
-        const unsigned char zeros[] = {0,0,0,0};
-        file.write((char*)flag,3);
-
-        int cnt = m_name.length();
-
-        file.write((char*)(&cnt),1);
-        const ushort *m = m_name.utf16();
-        file.write((char*)m,2 * cnt);
-        file.write((char *)&doNull, 1); // OpenFringe size of bool was 4 bytes but modern size is 1;
-        file.write((char *)zeros, 3);  // fill out to size of 4 bytes;
-
-        file.write((char*)&fringeSpacing,8);
-        file.write((char*)&diameter,8);
-        file.write((char*)&lambda,8);
-        file.write((char*)&mm,4);
-        file.write((char*)&obs,8);
-        file.write((char*)&roc,8);
-        file.write((char*)&cc,8);
-        file.write((char*)&z8,8);
-        file.write((char*)&zeros,4); // double pass
-        file.write((char*)&zeros,4); // two colors traced
-        file.write((char*)&fliph,1); // flip lr
-        file.write((char*)&zeros,3); // remainder of flip
-        file.write((char*)&flipv,1);
-        file.write((char*)&zeros,3); // remainder vr
-        file.write((char*)&m_outlineShape,4);  // use ellipse
-        file.write((char*)&m_verticalAxis,8);  // minor axis
-
-        file.close();
+    if (!fileName.endsWith(".json" )){
+        // filename.extension => filename.extension.json
+        // filename           => filename.json
+        // filename.json      => filename.json (unchanged)
+        fileName.append(".json");
     }
+    saveJson(fileName);
     QFileInfo info(fileName);
-    settings.setValue("mirrorConfigFile",fileName);
+    settings.setValue("mirrorConfigFile", fileName);
     settings.setValue("projectPath", info.absolutePath());
     m_projectPath = info.absolutePath();
 }
@@ -484,7 +442,7 @@ void mirrorDlg::on_ReadBtn_clicked()
     QSettings settings;
     QString lastPath = settings.value("lastPath",".").toString();
     QString fileName = QFileDialog::getOpenFileName(this,
-                        tr("Read mirror configuratoin file"), lastPath,
+                        tr("Read mirror configuration file"), lastPath,
                         tr("ini (*.ini *.json)"));
     if (fileName.isEmpty())
         return;