diff --git a/graphics/text/config.py b/graphics/text/config.py
index 5b83f89d..45815c67 100644
--- a/graphics/text/config.py
+++ b/graphics/text/config.py
@@ -105,8 +105,8 @@ red_graphics = {
 	'm_jkill': 'Please don\'t kill me!',
 	'm_rough': 'Will this hurt?',
 	'm_hurt': 'Bring on the pain.',
-	'm_ultra': 'Extreme Carnage',
-	'm_nmare': 'INSANITY!',
+	'm_ultra': 'Extreme Carnage.',
+	'm_nmare': 'MAYHEM!',
 
 	'm_lgttl': 'LOAD GAME',
 	'm_sgttl': 'SAVE GAME',
diff --git a/manual/manual.adoc b/manual/manual.adoc
index 340dc674..fdfd6435 100644
--- a/manual/manual.adoc
+++ b/manual/manual.adoc
@@ -89,9 +89,9 @@ effectively the same as _Will This Hurt?_, except that damage is halved.
 | 2 | **Will This Hurt?** | Easy skill level, a good choice if you're
 finding _Bring on the Pain_ too challenging.
 | 3 | **Bring on the Pain.** | The default skill level.
-| 4 | **Extreme Carnage** | A more challenging skill level, suited more
+| 4 | **Extreme Carnage.** | A more challenging skill level, suited more
 for experienced players and people in search of a challenge.
-| 5 | **INSANITY!** | **Not Recommended**. This is equivalent to
+| 5 | **MAYHEM!** | **Not Recommended**. This is equivalent to
 _Extreme Carnage_ except that monster attacks are up to twice as fast,
 and killed monsters come back to life after around 40 seconds.
 |==========================