diff --git a/src/effects/audiounits/AudioUnitEffect.cpp b/src/effects/audiounits/AudioUnitEffect.cpp
index 29b6ae697..e189d7a98 100644
--- a/src/effects/audiounits/AudioUnitEffect.cpp
+++ b/src/effects/audiounits/AudioUnitEffect.cpp
@@ -113,7 +113,7 @@ PluginPath AudioUnitEffectsModule::GetPath()
 
 ComponentInterfaceSymbol AudioUnitEffectsModule::GetSymbol()
 {
-   /* 18n-hint: Audio Unit is the name of an Apple audio software protocol */
+   /* i18n-hint: Audio Unit is the name of an Apple audio software protocol */
    return XO("Audio Unit Effects");
 }
 
diff --git a/src/effects/audiounits/AudioUnitEffect.h b/src/effects/audiounits/AudioUnitEffect.h
index c42db3522..df7888170 100644
--- a/src/effects/audiounits/AudioUnitEffect.h
+++ b/src/effects/audiounits/AudioUnitEffect.h
@@ -28,7 +28,7 @@
 #include "AUControl.h"
 
 #define AUDIOUNITEFFECTS_VERSION wxT("1.0.0.0")
-/* 18n-hint: the name of an Apple audio software protocol */
+/* i18n-hint: the name of an Apple audio software protocol */
 #define AUDIOUNITEFFECTS_FAMILY \
    EffectFamilySymbol{ wxT("AudioUnit"), XO("Audio Unit") }
 class AudioUnitEffect;
diff --git a/src/effects/ladspa/LadspaEffect.cpp b/src/effects/ladspa/LadspaEffect.cpp
index 6af4b5893..57e986aa3 100644
--- a/src/effects/ladspa/LadspaEffect.cpp
+++ b/src/effects/ladspa/LadspaEffect.cpp
@@ -118,7 +118,7 @@ PluginPath LadspaEffectsModule::GetPath()
 
 ComponentInterfaceSymbol LadspaEffectsModule::GetSymbol()
 {
-   /* i8n-hint: abbreviates "Linux Audio Developer's Simple Plugin API"
+   /* i18n-hint: abbreviates "Linux Audio Developer's Simple Plugin API"
       (Application programming interface)
     */
    return XO("LADSPA Effects");
diff --git a/src/effects/ladspa/LadspaEffect.h b/src/effects/ladspa/LadspaEffect.h
index 89198b41b..af8d94647 100644
--- a/src/effects/ladspa/LadspaEffect.h
+++ b/src/effects/ladspa/LadspaEffect.h
@@ -26,7 +26,7 @@ class wxCheckBox;
 #include "../../SampleFormat.h"
 
 #define LADSPAEFFECTS_VERSION wxT("1.0.0.0")
-/* i8n-hint: abbreviates "Linux Audio Developer's Simple Plugin API"
+/* i18n-hint: abbreviates "Linux Audio Developer's Simple Plugin API"
    (Application programming interface)
  */
 #define LADSPAEFFECTS_FAMILY XO("LADSPA")