diff --git a/src/devices/machine/ns32081.cpp b/src/devices/machine/ns32081.cpp
index 34c39a3e5a9..a28f424345c 100644
--- a/src/devices/machine/ns32081.cpp
+++ b/src/devices/machine/ns32081.cpp
@@ -5,10 +5,10 @@
  * National Semiconductor 32081 Floating-Point Unit.
  *
  * Sources:
- *   - Microrprocessor Databook, Series 32000, NSC800, 1989 Edition, National Semiconductor
+ *  - Microprocessor Databook, Series 32000, NSC800, 1989 Edition, National Semiconductor
  *
  * TODO:
- *   - testing
+ *  - testing
  */
 
 #include "emu.h"
diff --git a/src/devices/machine/ns32082.cpp b/src/devices/machine/ns32082.cpp
index 24e9e77ae6b..5abed6de547 100644
--- a/src/devices/machine/ns32082.cpp
+++ b/src/devices/machine/ns32082.cpp
@@ -5,11 +5,11 @@
  * National Semiconductor 32082 Memory Management Unit.
  *
  * Sources:
- *   - Microrprocessor Databook, Series 32000, NSC800, 1989 Edition, National Semiconductor
+ *  - Microprocessor Databook, Series 32000, NSC800, 1989 Edition, National Semiconductor
  *
  * TODO:
- *   - tlb
- *   - breakpoints
+ *  - tlb
+ *  - breakpoints
  */
 
 #include "emu.h"
diff --git a/src/devices/machine/ns32202.cpp b/src/devices/machine/ns32202.cpp
index 1bf288c2cbd..40611fd05b2 100644
--- a/src/devices/machine/ns32202.cpp
+++ b/src/devices/machine/ns32202.cpp
@@ -6,10 +6,10 @@
  *
  * Sources:
  *
- *  Microrprocessor Databook, Series 32000, NSC800, 1989 Edition, National Semiconductor
+ *  - Microprocessor Databook, Series 32000, NSC800, 1989 Edition, National Semiconductor
  *
  * TODO
- *   - timer/counter
+ *  - timer/counter
  */
 
 #include "emu.h"
diff --git a/src/devices/machine/ns32382.cpp b/src/devices/machine/ns32382.cpp
index 2994811d2d8..ec6e02fbaf8 100644
--- a/src/devices/machine/ns32382.cpp
+++ b/src/devices/machine/ns32382.cpp
@@ -5,13 +5,13 @@
  * National Semiconductor 32382 Memory Management Unit.
  *
  * Sources:
- *   - Microrprocessor Databook, Series 32000, NSC800, 1989 Edition, National Semiconductor
+ *  - Microprocessor Databook, Series 32000, NSC800, 1989 Edition, National Semiconductor
  *
  * TODO:
- *   - tlb
- *   - breakpoints
- *   - cycles
- *   - fast status protocol
+ *  - tlb
+ *  - breakpoints
+ *  - cycles
+ *  - fast status protocol
  */
 
 #include "emu.h"