diff --git a/locale/en/titanium.cfg b/locale/en/titanium.cfg
index d40b894..c3339e9 100644
--- a/locale/en/titanium.cfg
+++ b/locale/en/titanium.cfg
@@ -64,3 +64,7 @@ bztitanium-ore-workaround-probability=When using workaround, probability of gene
 bztitanium-mining-fluid-lubricant=Lubricant
 bztitanium-mining-fluid-sulfuric-acid=Sulfuric Acid
 bztitanium-mining-fluid-chlorine=Chlorine
+
+# Core
+[cant-build-reason]
+mining-with-fluid-not-available=Fluid mining not researched.