Fix outdated parameter name and remove non-existing syntax from grammar

Author: koperagen

docs/StardustDocs/topics/reorder.md

@@ -7,7 +7,7 @@ Returns [`DataFrame`](DataFrame.md) with a new order of selected columns.
 ```text
 reorder { columns }
   [.cast<ColumnType>() ]
-   .by { columnExpression } | .byDesc { columnExpression } | .byName(desc = false) { columnExpression } 
+   .by { columnExpression } | .byDesc { columnExpression } | .byName(desc = false)
     
 columnExpression: DataColumn.(DataColumn) -> Value
 ```
@@ -74,19 +74,19 @@ df.reorder { name }.byName(desc = true) // [name.lastName, name.firstName]
 Reorders all columns
 
 ```text
-reorderColumnsBy(dfs = true, desc = false) { columnExpression }
+reorderColumnsBy(atAnyDepth = true, desc = false) { columnExpression }
 ```
 
 **Parameters:**
-* `dfs` — reorder columns inside [`ColumnGroups`](DataColumn.md#columngroup) and [`FrameColumn`](DataColumn.md#framecolumn) recursively
+* `atAnyDepth` — reorder columns inside [`ColumnGroups`](DataColumn.md#columngroup) and [`FrameColumn`](DataColumn.md#framecolumn) recursively
 * `desc` — apply descending order
 
 ## reorderColumnsByName
 
 ```text
-reorderColumnsByName(dfs = true, desc = false)
+reorderColumnsByName(atAnyDepth = true, desc = false)
 ```
 
 **Parameters:**
-* `dfs` — reorder columns inside [`ColumnGroups`](DataColumn.md#columngroup) and [`FrameColumn`](DataColumn.md#framecolumn) recursively
+* `atAnyDepth` — reorder columns inside [`ColumnGroups`](DataColumn.md#columngroup) and [`FrameColumn`](DataColumn.md#framecolumn) recursively
 * `desc` — apply descending order