diff --git a/Resources/ServerInfo/Guidebook/Mobs/Diona.xml b/Resources/ServerInfo/Guidebook/Mobs/Diona.xml
index 575fae561a..eedf23b14f 100644
--- a/Resources/ServerInfo/Guidebook/Mobs/Diona.xml
+++ b/Resources/ServerInfo/Guidebook/Mobs/Diona.xml
@@ -7,7 +7,7 @@
 
   They can't wear shoes, but are not slowed by Kudzu.
   They get hungry and thirsty slower.
-  Their "blood" is normal water and can't be metabolised from Iron.
+  Their "blood" is tree sap and can't be metabolised from Iron.
   Being plants, Weed Killer poisons them, while Robust Harvest heals them (but not without risk when overused!)
 
   They take [color=#1e90ff]30% less Blunt damage and 20% less Slash damage[/color];