diff --git a/main.py b/main.py
index c333b7f..7de9c37 100644
--- a/main.py
+++ b/main.py
@@ -24,7 +24,7 @@ def main():
         font_mgr.draw_multiline_text(oled.draw, output, 0, 18, oled.display.width, oled.display.height - 18)
 
         oled.render()
-        time.sleep(2)
+        time.sleep(0.5)
 
 if __name__ == "__main__":
     main()
\ No newline at end of file
diff --git a/modules/system_info.py b/modules/system_info.py
index 10ca9fa..52d0cb8 100644
--- a/modules/system_info.py
+++ b/modules/system_info.py
@@ -28,6 +28,6 @@ class SystemInfoModule(BaseModule):
 
         # Compose lines for better alignment
         lines.append(f"Temp:{temp_str}  CPU:{cpu_str}")
-        lines.append(f"Mem: {mem_str}%)")
+        lines.append(f"Mem: {mem_str}%")
 
         return "\n".join(lines)
\ No newline at end of file