diff --git a/src/BatchCommands.cpp b/src/BatchCommands.cpp
index c12882cbb..6989d8b89 100644
--- a/src/BatchCommands.cpp
+++ b/src/BatchCommands.cpp
@@ -696,13 +696,15 @@ bool BatchCommands::ApplyChain(const wxString & filename)
    wxString name = gPrefs->Read(wxT("/Batch/ActiveChain"), wxEmptyString);
    if (name.IsEmpty())
    {
-      longDesc = wxT("Applied batch chain");
-      shortDesc = wxT("Apply chain");
+      /* i18n-hint: active verb in past tense */
+      longDesc = _("Applied batch chain");
+      shortDesc = _("Apply chain");
    }
    else
    {
-      longDesc = wxString::Format(wxT("Applied batch chain '%s'"), name.c_str());
-      shortDesc = wxString::Format(wxT("Apply '%s'"), name.c_str());
+      /* i18n-hint: active verb in past tense */
+      longDesc = wxString::Format(_("Applied batch chain '%s'"), name.c_str());
+      shortDesc = wxString::Format(_("Apply '%s'"), name.c_str());
    }
 
    if (!proj)
diff --git a/src/Menus.cpp b/src/Menus.cpp
index 549dd1883..e39d5bbcb 100644
--- a/src/Menus.cpp
+++ b/src/Menus.cpp
@@ -4512,6 +4512,7 @@ void AudacityProject::OnExportLabels()
 
    TrackListIterator iter(GetTracks());
 
+   /* i18n-hint: filename containing exported text from label tracks */
    wxString fName = _("labels.txt");
    t = iter.First();
    while (t) {
diff --git a/src/effects/Normalize.cpp b/src/effects/Normalize.cpp
index 91e9fa458..a32d51dfe 100644
--- a/src/effects/Normalize.cpp
+++ b/src/effects/Normalize.cpp
@@ -177,7 +177,7 @@ bool EffectNormalize::Process()
    else if(!mDC && mGain)
       topMsg = _("Normalizing without removing DC offset...\n");
    else if(!mDC && !mGain)
-      topMsg = wxT("Not doing anything)...\n");   // shouldn't get here
+      topMsg = _("Not doing anything)...\n");   // shouldn't get here
 
    while (track) {
       //Get start and end times from track
@@ -345,7 +345,7 @@ bool EffectNormalize::AnalyseTrack(const WaveTrack * track, const wxString &msg,
       while (track->GetODFlags()) {
          // update the gui
          if (ProgressResult::Cancelled == mProgress->Update(
-            0, wxT("Waiting for waveform to finish computing...")) )
+            0, _("Waiting for waveform to finish computing...")) )
             return false;
          wxMilliSleep(100);
       }
diff --git a/src/effects/nyquist/Nyquist.cpp b/src/effects/nyquist/Nyquist.cpp
index 5512e0cdc..41ade0b7d 100644
--- a/src/effects/nyquist/Nyquist.cpp
+++ b/src/effects/nyquist/Nyquist.cpp
@@ -529,7 +529,7 @@ bool NyquistEffect::Process()
 
    mDebugOutput.Clear();
    if (!mHelpFile.IsEmpty() && !mHelpFileExists) {
-      mDebugOutput = wxString::Format(wxT("error: File \"%s\" specified in header but not found in plug-in path.\n"), mHelpFile);
+      mDebugOutput = wxString::Format(_("error: File \"%s\" specified in header but not found in plug-in path.\n"), mHelpFile);
    }
 
    if (mVersion >= 4)