classes post renamed

Author: maciej-nowak

_posts/kotlin/2018-12-10-klasa.md _posts/kotlin/2018-12-10-klasy.md_posts/kotlin/2018-12-10-klasa.md renamed to _posts/kotlin/2018-12-10-klasy.md

@@ -1,11 +1,11 @@
 ---
 layout: post
-title: "Klasa"
+title: "Klasy"
 date:  2018-12-10
 categories: ["Kotlin"]
 image: kotlin/class
 github: kotlin/blob/master/class.kt
-description: "Klasa"
+description: "Klasy"
 keywords: "kotlin, klasa, class, nested, inner, sealed, inline, konstruktor, constructor, primary, secondary, properties, fields, var, val, public, private, protected, internal, android, programowanie, programming"
 ---