diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index c1c6609752d677f40882b229822dc749f49f45e8..ac182af02f81ec7ceeba60d4efdce2a2fc0b2865 100644
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -328,7 +328,7 @@ static char *descrip_vm =
 "           message. The units are whole-number decibels (dB).\n"
 "    s    - Skip the playback of instructions for leaving a message to the\n"
 "           calling party.\n"
-"    u    - Play the 'unavailble greeting.\n"
+"    u    - Play the 'unavailable greeting.\n"
 "    j    - Jump to priority n+101 if the mailbox is not found or some other\n"
 "           error occurs.\n";