diff --git a/README.txt b/README.txt
index 2d6ee600a..9b2e40ea1 100644
--- a/README.txt
+++ b/README.txt
@@ -140,7 +140,7 @@ this version.
 Source code to this program is always available; for more information visit
 our web site at:
 
-  http://audacity.sourceforge.net/download/
+  http://audacityteam.org/download/source
 
 Audacity is built upon other free libraries; some of these libraries may have
 come with Audacity in the lib-src directory.  Others you are expected to install
diff --git a/src/TrackPanel.cpp b/src/TrackPanel.cpp
index c1c221466..43834de37 100644
--- a/src/TrackPanel.cpp
+++ b/src/TrackPanel.cpp
@@ -8856,6 +8856,10 @@ void TrackPanel::OnChannelChange(wxCommandEvent & event)
 void TrackPanel::OnSwapChannels(wxCommandEvent & WXUNUSED(event))
 {
    Track *partner = mPopupMenuTarget->GetLink();
+   Track *const focused = GetFocusedTrack();
+   const bool hasFocus =
+      (focused == mPopupMenuTarget || focused == partner);
+
    SplitStereo(true);
    mPopupMenuTarget->SetChannel(Track::RightChannel);
    partner->SetChannel(Track::LeftChannel);
@@ -8868,6 +8872,9 @@ void TrackPanel::OnSwapChannels(wxCommandEvent & WXUNUSED(event))
       pMixerBoard->UpdateTrackClusters();
    }
 
+   if (hasFocus)
+      SetFocusedTrack(partner);
+
    MakeParentPushState(wxString::Format(_("Swapped Channels in '%s'"),
                                         mPopupMenuTarget->GetName().c_str()),
                        _("Swap Channels"));
@@ -9360,6 +9367,7 @@ void TrackPanel::OnTimeTrackLogInt(wxCommandEvent & /*event*/)
 void TrackPanel::OnWaveformScaleType(wxCommandEvent &evt)
 {
    WaveTrack *const wt = static_cast<WaveTrack *>(mPopupMenuTarget);
+   WaveTrack *const partner = static_cast<WaveTrack*>(wt->GetLink());
    const WaveformSettings::ScaleType newScaleType =
       WaveformSettings::ScaleType(
          std::max(0,
@@ -9368,6 +9376,8 @@ void TrackPanel::OnWaveformScaleType(wxCommandEvent &evt)
       )));
    if (wt->GetWaveformSettings().scaleType != newScaleType) {
       wt->GetIndependentWaveformSettings().scaleType = newScaleType;
+      if (partner)
+         partner->GetIndependentWaveformSettings().scaleType = newScaleType;
       UpdateVRuler(wt); // Is this really needed?
       MakeParentModifyState(true);
       Refresh(false);
@@ -9377,6 +9387,7 @@ void TrackPanel::OnWaveformScaleType(wxCommandEvent &evt)
 void TrackPanel::OnSpectrumScaleType(wxCommandEvent &evt)
 {
    WaveTrack *const wt = static_cast<WaveTrack *>(mPopupMenuTarget);
+   WaveTrack *const partner = static_cast<WaveTrack*>(wt->GetLink());
    const SpectrogramSettings::ScaleType newScaleType =
       SpectrogramSettings::ScaleType(
          std::max(0,
@@ -9385,6 +9396,8 @@ void TrackPanel::OnSpectrumScaleType(wxCommandEvent &evt)
       )));
    if (wt->GetSpectrogramSettings().scaleType != newScaleType) {
       wt->GetIndependentSpectrogramSettings().scaleType = newScaleType;
+      if (partner)
+         partner->GetIndependentSpectrogramSettings().scaleType = newScaleType;
       UpdateVRuler(wt); // Is this really needed?
       MakeParentModifyState(true);
       Refresh(false);
diff --git a/src/prefs/SpectrogramSettings.cpp b/src/prefs/SpectrogramSettings.cpp
index 8f084e4d4..617c45394 100644
--- a/src/prefs/SpectrogramSettings.cpp
+++ b/src/prefs/SpectrogramSettings.cpp
@@ -170,10 +170,14 @@ const wxArrayString &SpectrogramSettings::GetScaleNames()
       // Keep in correspondence with enum SpectrogramSettings::ScaleType:
       theArray.Add(_("Linear"));
       theArray.Add(_("Logarithmic"));
+      /* i18n-hint: The name of a frequency scale in psychoacoustics */
       theArray.Add(_("Mel"));
+      /* i18n-hint: The name of a frequency scale in psychoacoustics, named for Heinrich Barkhausen */
       theArray.Add(_("Bark"));
-      theArray.Add(_("Erb"));
-      theArray.Add(_("Undertone"));
+      /* i18n-hint: The name of a frequency scale in psychoacoustics, abbreviates Equivalent Rectangular Bandwidth */
+      theArray.Add(_("ERB"));
+      /* i18n-hint: A mathematical formula where f stands for frequency */
+      theArray.Add(_("1 / f"));
    }
 
    return theArray;
diff --git a/src/prefs/SpectrumPrefs.cpp b/src/prefs/SpectrumPrefs.cpp
index 80564c71b..c670417a0 100644
--- a/src/prefs/SpectrumPrefs.cpp
+++ b/src/prefs/SpectrumPrefs.cpp
@@ -157,7 +157,8 @@ void SpectrumPrefs::PopulateOrExchange(ShuttleGui & S)
    {
       mDefaultsCheckbox = 0;
       if (mWt) {
-         mDefaultsCheckbox = S.Id(ID_DEFAULTS).TieCheckBox(_("Defaults"), mDefaulted);
+         /* i18n-hint: use is a verb */
+         mDefaultsCheckbox = S.Id(ID_DEFAULTS).TieCheckBox(_("Use Preferences"), mDefaulted);
       }
       S.StartStatic(_("FFT Window"));
       {
diff --git a/src/prefs/WaveformPrefs.cpp b/src/prefs/WaveformPrefs.cpp
index b29468947..bcf3f12f4 100644
--- a/src/prefs/WaveformPrefs.cpp
+++ b/src/prefs/WaveformPrefs.cpp
@@ -73,7 +73,8 @@ void WaveformPrefs::PopulateOrExchange(ShuttleGui & S)
    {
       mDefaultsCheckbox = 0;
       if (mWt) {
-         mDefaultsCheckbox = S.Id(ID_DEFAULTS).TieCheckBox(_("Defaults"), mDefaulted);
+         /* i18n-hint: use is a verb */
+         mDefaultsCheckbox = S.Id(ID_DEFAULTS).TieCheckBox(_("Use Preferences"), mDefaulted);
       }
 
       S.StartStatic(_("Display"));