diff --git a/Resources/Locale/en-US/guidebook/chemistry/statuseffects.ftl b/Resources/Locale/en-US/guidebook/chemistry/statuseffects.ftl
index 8cedbcabb6..f00921b831 100644
--- a/Resources/Locale/en-US/guidebook/chemistry/statuseffects.ftl
+++ b/Resources/Locale/en-US/guidebook/chemistry/statuseffects.ftl
@@ -9,3 +9,4 @@ reagent-effect-status-effect-ForcedSleep = unconsciousness
 reagent-effect-status-effect-Drunk = drunkness
 reagent-effect-status-effect-PressureImmunity = pressure immunity
 reagent-effect-status-effect-Pacified = combat pacification
+reagent-effect-status-effect-RatvarianLanguage = ratvarian language patterns