diff --git a/src/main.zig b/src/main.zig
index 71e1ca7..a080ebe 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -38,7 +38,7 @@ const DemoHandler = struct {
 
         // Print error with timestamp
         const timestamp = std.time.timestamp();
-        std.debug.print("[{}] Error #{} ({}): {s}\n", .{ timestamp, self.error_count, error_code, message });
+        std.log.err("[{}] Error #{} ({}): {s}", .{ timestamp, self.error_count, error_code, message });
     }
 
     /// Handle detailed errors with comprehensive information
@@ -159,11 +159,6 @@ pub fn main() !void {
     });
     _ = c.signal(c.SIGINT, signalHandler);
 
-    std.debug.print("STT Library Demo\n", .{});
-    std.debug.print("================\n", .{});
-    std.debug.print("This demo shows how to use the STT library for speech recognition.\n", .{});
-    std.debug.print("The library uses callback-based event handling for detected speech.\n\n", .{});
-
     // Create demo handler with statistics tracking
     var demo_handler = DemoHandler{};
     const speech_handler = stt.SpeechEventHandler{