diff --git a/Source/Charts/Data/Implementations/Standard/BarChartData.swift b/Source/Charts/Data/Implementations/Standard/BarChartData.swift
index f54e6995b3..6697c32cf2 100644
--- a/Source/Charts/Data/Implementations/Standard/BarChartData.swift
+++ b/Source/Charts/Data/Implementations/Standard/BarChartData.swift
@@ -33,8 +33,8 @@ open class BarChartData: BarLineScatterCandleBubbleChartData
     /// Previously set x-values of entries will be overwritten. Leaves space between bars and groups as specified by the parameters.
     /// Do not forget to call notifyDataSetChanged() on your BarChart object after calling this method.
     ///
-    /// - parameter the starting point on the x-axis where the grouping should begin
     /// - Parameters:
+    ///   - fromX: the starting point on the x-axis where the grouping should begin
     ///   - groupSpace: The space between groups of bars in values (not pixels) e.g. 0.8f for bar width 1f
     ///   - barSpace: The space between individual bars in values (not pixels) e.g. 0.1f for bar width 1f
     @objc open func groupBars(fromX: Double, groupSpace: Double, barSpace: Double)