diff --git a/locale/en/lang_en.cfg b/locale/en/lang_en.cfg
index 9a77b47..46ccfc1 100644
--- a/locale/en/lang_en.cfg
+++ b/locale/en/lang_en.cfg
@@ -453,7 +453,7 @@ fi_solid_reactor_tech=Solid fission
 fi_miner_tech=Nuclear mining
 fi_train_tech=Portable nuclear equipment
 fi_crusher_tech=Crushing
-fi_ceramic_tech=Efficiant ceramic processing
+fi_ceramic_tech=Efficient ceramic processing
 fi_crystal_tech=Artifical energy crystals
 fi_blends_tech=Metal mixing
 fi_robo_tech=Advanced roboport