OnlineMonitor: Alter phrasing/order for clarification

src/modules/OnlineMonitor/README.md

@@ -10,14 +10,14 @@ A set of canvases is available to display a variety of information ranging from
 The plots on each of the canvases contain real time data, automatically updated every `update` events.
 
 The displayed plots and their source can be configured via the framework configuration file.
-Here, each canvas is configured via a matrix containing the path of the plot and its plotting options in each row, e.g.
+For plots from clustering and tracking modules, the module name can be specified to display standard plots of the corresponding module.
+In addition, overruling the standard plot configuration, each canvas can be configured via a matrix containing the path of the plot and its plotting options in each row, e.g.
 
 ```toml
 dut_plots =  [["EventLoaderEUDAQ2/%DUT%/hitmap", "colz"],
              ["EventLoaderEUDAQ2/%DUT%/hPixelRawValues", "log"]]
 ```
 
-For plots from clustering and tracking modules, the module name can be specified to display standard plots of the corresponding module.
 
 The allowed plotting options comprise all drawing options offered by ROOT.
 In addition, the `log` keyword is supported, which switches the Y axis of the respective plot to a logarithmic scale.
@@ -34,8 +34,8 @@ The "corryvreckan" namespace is not required to be added to the plot path.
 * `update`: Number of events after which to update, defaults to `500`.
 * `canvas_title`: Title of the GUI window to be shown, defaults to `Corryvreckan Testbeam Monitor`. This parameter can be used to e.g. display the current run number in the window title.
 * `ignore_aux`: With this boolean variable set, detectors with `auxiliary` roles are ignored and none of their histograms are added to the UI. Defaults to `true`.
-* `clustering_module`: Module for which the standard clustering plots are displayed. Defaults to `Clustering4D`.
-* `tracking_module`: Module for which the standard tracking plots are displayed. Defaults to `Tracking4D`.
+* `clustering_module`: Module for which the standard clustering plots are selected. Defaults to `Clustering4D`.
+* `tracking_module`: Module for which the standard tracking plots are selected. Defaults to `Tracking4D`.
 
 
 * `overview`: List of plots to be placed on the "Overview" canvas of the online monitor. The list of plots created in the default configuration is listed below.