Add 'reviewing' instructions to README

README.md

@@ -16,6 +16,8 @@ Open the app in your browser by accessing https://palm-lab.github.io/QualCA. The
 6. You can then add a Code or Theme to an extract by double clicking on the relevant cell within the codebook table, and typing the new Code.
 7. A _Counter_ pane in the top-right of the app shows how many extracts are associated with each Code. You can edit a Code by double clicking on it in the _Counter_, and typing in the new Code. This will change the Code for all extracts associated with the old Code.
 8. To save your progress, you can click the _Download Codebook_ button in the left-side menu. The Codebook is saved as a CSV file, which you can upload to **_QualCA_** on your next visit.
+9. If you would like to review your coding so far, you can open the left-side menu and click the "Reviewing" tab. On this tab, the _Counter_ will be shown in the top-left, displaying the codes so far and the number of instances for each code. Click on a code in the _Counter_ to display the extracts that are associated with that code.
+10. Click on an extract from the list to display the document containing that extract below in the _Document Review_ box. Only the bottom-most extract will be displayed if more than one extract is selected from the _Extracts_list.
 
 # Acknowledgements