Merge pull request #711 from Kotlin/column-selector-docs3

Column selector docs function descriptions

Author: Jolanrensen

core/generated-sources/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/ColumnsSelectionDsl.kt

@@ -123,7 +123,7 @@ public interface ColumnsSelectionDsl<out T> : /* SingleColumn<DataRow<T>> */
     // except(), allExcept {}, allColsExcept {}
     AllExceptColumnsSelectionDsl,
 
-    // nameContains(""), colsNameContains(""), nameStartsWith(""), childrenNameEndsWith("")
+    // nameContains(""), colsNameContains(""), nameStartsWith(""), colsNameEndsWith("")
     ColumnNameFiltersColumnsSelectionDsl,
     // withoutNulls(), colsWithoutNulls()
     WithoutNullsColumnsSelectionDsl,