diff --git a/src/effects/ToneGen.cpp b/src/effects/ToneGen.cpp
index 12c92db3e..f93fcaccd 100644
--- a/src/effects/ToneGen.cpp
+++ b/src/effects/ToneGen.cpp
@@ -129,8 +129,8 @@ wxString EffectToneGen::GetSymbol()
 wxString EffectToneGen::GetDescription()
 {
    return mChirp
-      ? XO("Generates four different types of tone waveform while allowing starting and ending amplitude and frequency")
-      : XO("Generates four different types of tone waveform");
+      ? XO("Generates an ascending or descending tone of one of four types")
+      : XO("Generates a constant frequency tone of one of four types");
 }
 
 // EffectIdentInterface implementation