reorderscans.md

@@ -9,5 +9,25 @@ You can start **reorder scans** by starting PeakStrainer and clicking the *reord
 
 
 # How to use it
-Select a folder, if a folder is not already selected, where *.mzXML files can be found.  
-All the files in this folder will be processed
\ No newline at end of file
+Select a folder, where *.mzXML files are found.  
+All the files in this folder will be processed in the same way.
+Reorder scans uses the first mzXML file it finds to get the available scan types,
+presented in the left pane.
+
+To order the scans, select a scan type from the left pane,
+by double clicking or pressing the *add *button.
+
+The scan type is added to the ordered scans, on the right pane.
+a new mzXML file will be created with the scans in the order given in ordered scans pane.
+
+In case a mistake was made, you can remove the last scan type from the ordered scans pane by clicking the *remove *button.
+
+Note that scans types can be repeated in the ordered scans.
+
+To create the ordered mzXML files click *finish* and a new folder called `ordered` will be created with the files.
+
+To close the application, click on the close button in  the upper right corner of the application. 
+
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+