Adds Missing Diona Nymph Description (#15566)

code/modules/mob/living/carbon/alien/diona/diona_nymph.dm

@@ -11,6 +11,7 @@
 	eat_types = 0 //This is a bitfield which must be initialised in New(). The valid values for it are in devour.dm
 	composition_reagent = /singleton/reagent/nutriment //Dionae are plants, so eating them doesn't give animal protein
 	name = "diona nymph"
+	desc = "A diona nymph."
 	voice_name = "diona nymph"
 	accent = ACCENT_ROOTSONG
 	adult_form = /mob/living/carbon/human/diona/coeus

html/changelogs/diona_nymph_desc.yml

@@ -0,0 +1,6 @@
+author: SleepyGemmy
+
+delete-after: True
+
+changes:
+  - bugfix: "Fixes diona nymphs not having a description."