diff --git a/src/mame/drivers/retofinv.cpp b/src/mame/drivers/retofinv.cpp
index 201543b2636..eefdd9f1dfc 100644
--- a/src/mame/drivers/retofinv.cpp
+++ b/src/mame/drivers/retofinv.cpp
@@ -9,13 +9,13 @@ driver by Jarek Parchanski, Andrea Mazzoleni
 UPL is said to have developed Return of the Invaders for Taito, but some digging
 in the ROMs reveals the following strings:
 
-　Programed by NAKAKUMA AKIRA
-　V 1.0 (85.3.15)
+ Programed by NAKAKUMA AKIRA
+ V 1.0 (85.3.15)
 
-　NOBUO KODERA
-　AKIRA NAKAKUMA
-　HIKARU KASAHARA
-　COMIX LTD. 1985.
+ NOBUO KODERA
+ AKIRA NAKAKUMA
+ HIKARU KASAHARA
+ COMIX LTD. 1985.
 
 Notes:
 - I derived the ROM names from the board diagram in the manual. There might