Missed one set of dashes.

[ci skip]

data/campaigns/Eastern_Invasion/units/Undead_Skeletal_Soulless.cfg

@@ -13,7 +13,7 @@
     {AMLA_DEFAULT}
     cost=13
     usage=fighter
-    description= _ "When a skeletal warrior is defeated, their animating energies are sometimes not wholly destroyed. A particularly skilled lich can recapture what remains of their servants’ necromantic energy, reanimating a new - albeit weaker - minion."
+    description= _ "When a skeletal warrior is defeated, their animating energies are sometimes not wholly destroyed. A particularly skilled lich can recapture what remains of their servants’ necromantic energy, reanimating a new — albeit weaker — minion."
     die_sound={SOUND_LIST:ZOMBIE_WEAK_HIT}
 
     [attack]