diff --git a/firmware/libcommon/include/simtrace_prot.h b/firmware/libcommon/include/simtrace_prot.h
index 50042a02..ffcd0614 100644
--- a/firmware/libcommon/include/simtrace_prot.h
+++ b/firmware/libcommon/include/simtrace_prot.h
@@ -54,7 +54,7 @@ enum simtrace_msg_type_cardem {
 	SIMTRACE_MSGT_BD_CEMU_STATUS,
 	/* Request / Confirm emulated card insert */
 	SIMTRACE_MSGT_DT_CEMU_CARDINSERT,
-	/* TPDU Data received from phomne */
+	/* TPDU Data received from phone */
 	SIMTRACE_MSGT_DO_CEMU_RX_DATA,
 	/* Indicate PTS request from phone */
 	SIMTRACE_MSGT_DO_CEMU_PTS,