diff -r 41267eea2f96 -r 8db93a3a29dc QTfrontend/util/LibavInteraction.cpp
--- a/QTfrontend/util/LibavInteraction.cpp	Wed Apr 12 21:34:02 2017 +0200
+++ b/QTfrontend/util/LibavInteraction.cpp	Wed Apr 12 22:04:32 2017 +0200
@@ -291,7 +291,8 @@
         return "";
 
     int s = float(pContext->duration)/AV_TIME_BASE;
-    QString desc = tr("Duration: %1m %2s").arg(s/60).arg(s%60) + "\n";
+    //: Duration in minutes and seconds (SI units)
+    QString desc = tr("Duration: %1min %2s").arg(s/60).arg(s%60) + "\n";
     for (int i = 0; i < (int)pContext->nb_streams; i++)
     {
         AVStream* pStream = pContext->streams[i];
@@ -307,7 +308,7 @@
             if (pStream->avg_frame_rate.den)
             {
                 float fps = float(pStream->avg_frame_rate.num)/pStream->avg_frame_rate.den;
-                desc += QString(tr("%1 fps")).arg(fps, 0, 'f', 2) + ", ";
+                desc += QString(tr("%1 FPS")).arg(fps, 0, 'f', 2) + ", ";
             }
         }
         else if (pCodec->codec_type == AVMEDIA_TYPE_AUDIO)