diff --git a/6-consumer/lessons/4-multiple-language-support/pi-translate-speech.md b/6-consumer/lessons/4-multiple-language-support/pi-translate-speech.md
index 59c08ff5..8fbbbc20 100644
--- a/6-consumer/lessons/4-multiple-language-support/pi-translate-speech.md
+++ b/6-consumer/lessons/4-multiple-language-support/pi-translate-speech.md
@@ -147,4 +147,4 @@ The speech service REST API doesn't support direct translations, instead you can
 
 > 💁 You can find this code in the [code/pi](code/pi) folder.
 
-😀 Your multi-lingual timer program was a success!
+😀 Your multilingual timer program was a success!
diff --git a/6-consumer/lessons/4-multiple-language-support/virtual-device-translate-speech.md b/6-consumer/lessons/4-multiple-language-support/virtual-device-translate-speech.md
index 493a5b40..c8b48b85 100644
--- a/6-consumer/lessons/4-multiple-language-support/virtual-device-translate-speech.md
+++ b/6-consumer/lessons/4-multiple-language-support/virtual-device-translate-speech.md
@@ -187,4 +187,4 @@ The speech service doesn't support translation of text back to speech, instead y
 
 > 💁 You can find this code in the [code/virtual-iot-device](code/virtual-iot-device) folder.
 
-😀 Your multi-lingual timer program was a success!
+😀 Your multilingual timer program was a success!
diff --git a/6-consumer/lessons/4-multiple-language-support/wio-terminal-translate-speech.md b/6-consumer/lessons/4-multiple-language-support/wio-terminal-translate-speech.md
index 2e3ce926..af32bcb1 100644
--- a/6-consumer/lessons/4-multiple-language-support/wio-terminal-translate-speech.md
+++ b/6-consumer/lessons/4-multiple-language-support/wio-terminal-translate-speech.md
@@ -267,4 +267,4 @@ The speech service REST API doesn't support direct translations, instead you can
 
 > 💁 You can find this code in the [code/wio-terminal](code/wio-terminal) folder.
 
-😀 Your multi-lingual timer program was a success!
+😀 Your multilingual timer program was a success!