diff --git a/OsmAnd/res/values-sk/strings.xml b/OsmAnd/res/values-sk/strings.xml
index 3983e034f2..3a1411855b 100644
--- a/OsmAnd/res/values-sk/strings.xml
+++ b/OsmAnd/res/values-sk/strings.xml
@@ -2512,4 +2512,9 @@ Ak potrebuje pomoc s aplikáciou OsmAnd, kontaktuje podporu: support@osmand.net.
     <string name="rendering_attr_contourWidth_description">Hrúbka vrstevníc</string>
     <string name="rendering_attr_contourWidth_name">Hrúbka vrstevníc</string>
     <string name="rendering_attr_hideWaterPolygons_description">Voda</string>
+    <string name="rendering_attr_contourDensity_description">Hustota vrstevníc</string>
+    <string name="rendering_attr_contourDensity_name">Hustota vrstevníc</string>
+    <string name="rendering_value_high_name">Vysoká</string>
+    <string name="rendering_value_medium_w_name">Stredná</string>
+    <string name="rendering_value_low_name">Nízka</string>
     </resources>