diff --git a/scripts/convert_audio.lua b/scripts/convert_audio.lua
index 6857cb5..3cd4aa9 100644
--- a/scripts/convert_audio.lua
+++ b/scripts/convert_audio.lua
@@ -33,7 +33,7 @@ local function convert()
 
     local cmd = "/usr/local/bin/file_convert" .. " " .. input_audio_file .. " " .. converted_audio_file
 
-    ngx.log(ngx.INFO, 'convert_audio -> Audio convert command -> ', cmd)
+    ngx.log(ngx.INFO, 'convert_audio -> audio convert command -> ', cmd)
 
     local result, _, code = os.execute(cmd)
     if result and code == 0 then