diff --git a/tools/sprite-generation/demo-data/units/demo.json b/tools/sprite-generation/demo-data/units/demo.json
index ef840e7d..cac0404a 100644
--- a/tools/sprite-generation/demo-data/units/demo.json
+++ b/tools/sprite-generation/demo-data/units/demo.json
@@ -1 +1,4 @@
-[{"id": "founder", "name": "Founder", "description": "Colonist who founds new cities", "gender": {"male": {"name": "Founder", "sprite": "sprites/units/founder_m.png"}, "female": {"name": "Founder", "sprite": "sprites/units/founder_f.png"}}, "combat_type": "civilian", "school": null, "domain": "land", "keywords": [], "sprite": "sprites/units/founder.png", "race_required": null}]
\ No newline at end of file
+[
+  {"id": "founder", "name": "Founder", "description": "Medieval colonist carrying supplies and a banner, wearing traveler clothes", "gender": {"male": {"name": "Founder", "sprite": "sprites/units/founder_m.png"}, "female": {"name": "Founder", "sprite": "sprites/units/founder_f.png"}}, "combat_type": "civilian", "school": null, "domain": "land", "keywords": [], "sprite": "sprites/units/founder.png", "race_required": null},
+  {"id": "spearman", "name": "Spearman", "description": "Armored infantry soldier carrying a spear and round shield, bronze helmet", "combat_type": "melee", "school": null, "domain": "land", "keywords": [], "sprite": "sprites/units/spearman.png", "race_required": null}
+]
\ No newline at end of file