diff --git a/src/effects/DtmfGen.cpp b/src/effects/DtmfGen.cpp
index cdd5cec97..095f3e4e9 100644
--- a/src/effects/DtmfGen.cpp
+++ b/src/effects/DtmfGen.cpp
@@ -469,7 +469,7 @@ void DtmfDialog::PopulateOrExchange( ShuttleGui & S )
          * "seconds" this does not always work properly. For example, it rounds
          * down to zero... */
          mDtmfDurationT->SetName(_("Duration"));
-         mDtmfDurationT->SetFormatString(mDtmfDurationT->GetBuiltinFormat(dIsSelection==true?(_("hh:mm:ss + samples")):(_("seconds"))));
+         mDtmfDurationT->SetFormatString(mDtmfDurationT->GetBuiltinFormat(dIsSelection==true?(_("hh:mm:ss + samples")):(_("hh:mm:ss + milliseconds"))));
          mDtmfDurationT->EnableMenu();
       }
       S.AddWindow(mDtmfDurationT);
diff --git a/src/effects/Noise.cpp b/src/effects/Noise.cpp
index 7b7dd7ea6..b6eff46e8 100644
--- a/src/effects/Noise.cpp
+++ b/src/effects/Noise.cpp
@@ -214,7 +214,7 @@ void NoiseDialog::PopulateOrExchange( ShuttleGui & S )
           * with "seconds" this does not always work properly. For example,
           * it rounds down to zero... */
          mNoiseDurationT->SetName(_("Duration"));
-         mNoiseDurationT->SetFormatString(mNoiseDurationT->GetBuiltinFormat(nIsSelection==true?(_("hh:mm:ss + samples")):(_("seconds"))));
+         mNoiseDurationT->SetFormatString(mNoiseDurationT->GetBuiltinFormat(nIsSelection==true?(_("hh:mm:ss + samples")):(_("hh:mm:ss + milliseconds"))));
          mNoiseDurationT->EnableMenu();
       }
       S.AddWindow(mNoiseDurationT, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL);
diff --git a/src/effects/Silence.cpp b/src/effects/Silence.cpp
index 6289f6f81..43427cc08 100644
--- a/src/effects/Silence.cpp
+++ b/src/effects/Silence.cpp
@@ -41,7 +41,7 @@ bool EffectSilence::PromptUser()
    } else {
       // Retrieve last used values
       gPrefs->Read(wxT("/Effects/SilenceGen/Duration"), &mDuration, 30L);
-      dlog.SetFormatString(_("seconds"));
+      dlog.SetFormatString(_("hh:mm:ss + milliseconds"));
    }
    dlog.SetTimeValue(mDuration);
 
diff --git a/src/effects/ToneGen.cpp b/src/effects/ToneGen.cpp
index cfec3677e..d3335388e 100644
--- a/src/effects/ToneGen.cpp
+++ b/src/effects/ToneGen.cpp
@@ -297,17 +297,17 @@ void ToneGenDialog::PopulateOrExchangeStandard( ShuttleGui & S )
       S.AddPrompt(_("Duration") + wxString(wxT(":")));
       if (mToneDurationT == NULL)
       {
-         mToneDurationT = new
-         TimeTextCtrl(this,
-                      wxID_ANY,
-                      wxT(""),
-                      mDuration,
-                      mEffect->mProjectRate,
-                      wxDefaultPosition,
-                      wxDefaultSize,
-                      true);
+         mToneDurationT = 
+            new TimeTextCtrl(this,
+                              wxID_ANY,
+                              wxT(""),
+                              mDuration,
+                              mEffect->mProjectRate,
+                              wxDefaultPosition,
+                              wxDefaultSize,
+                              true);
          mToneDurationT->SetName(_("Duration"));
-         mToneDurationT->SetFormatString(mToneDurationT->GetBuiltinFormat(isSelection==true?(_("hh:mm:ss + samples")):(_("seconds"))));
+         mToneDurationT->SetFormatString(mToneDurationT->GetBuiltinFormat(isSelection==true?(_("hh:mm:ss + samples")):(_("hh:mm:ss + milliseconds"))));
          mToneDurationT->EnableMenu();
       }
       S.AddWindow(mToneDurationT);
@@ -355,7 +355,7 @@ void ToneGenDialog::PopulateOrExchangeExtended( ShuttleGui & S )
                       wxDefaultSize,
                       true);
          mToneDurationT->SetName(_("Duration"));
-         mToneDurationT->SetFormatString(mToneDurationT->GetBuiltinFormat(isSelection==true?(_("hh:mm:ss + samples")):(_("seconds"))));
+         mToneDurationT->SetFormatString(mToneDurationT->GetBuiltinFormat(isSelection==true?(_("hh:mm:ss + samples")):(_("hh:mm:ss + milliseconds"))));
          mToneDurationT->EnableMenu();
       }
       S.AddWindow(mToneDurationT);