diff --git a/README.md b/README.md
index 6faa32ac8f3df726f3f49d5d011eaf8af8a9810a..fd89b51d500b25e47ccc2d9ec418105ed968706f 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ from sacada.SACADA import SACADA
 s = SACADA("/dev/ttyACM0")
 
 # Imprime a tensão do canal A0 na tela
-print(s.readVoltage("A0")
+print(s.readVoltage("A0"))
 ```
 
 ## Comando