diff --git a/lang/ru.json b/lang/ru.json
index 5e955c6b..c6d71eb3 100644
--- a/lang/ru.json
+++ b/lang/ru.json
@@ -145,9 +145,9 @@
     "tinder":"тиндер",
     "sawdust":"стружка",
     "hail":"град",
-    "hydrogen":"гидроген",
-    "oxygen":"оксиген",
-    "nitrogen":"нитроген",
+    "hydrogen":"водород",
+    "oxygen":"кислород",
+    "nitrogen":"азот",
     "helium":"гелий",
     "anesthesia":"анестезия",
     "ammonia":"амония",