diff -rupN wordgrinder-0.7.2.orig/src/lua/addons/docsetman.lua wordgrinder-0.7.2.new/src/lua/addons/docsetman.lua
--- wordgrinder-0.7.2.orig/src/lua/addons/docsetman.lua	2018-11-29 20:12:27.000000000 +0100
+++ wordgrinder-0.7.2.new/src/lua/addons/docsetman.lua	2020-06-11 17:49:41.006882573 +0200
@@ -45,7 +45,7 @@ function Cmd.ManageDocumentsUI()
 		["KEY_RETURN"] = "cancel",
 		["KEY_ENTER"] = "cancel",
 		
-		["u"] = function()
+		["U"] = function()
 			if (browser.cursor > 1) then
 				local document = browser.data[browser.cursor].document
 				DocumentSet:moveDocumentIndexTo(document.name, browser.cursor - 1)
@@ -55,7 +55,7 @@ function Cmd.ManageDocumentsUI()
 			return "nop"
 		end,
 		
-		["d"] = function()
+		["D"] = function()
 			if (browser.cursor < #browser.data) then
 				DocumentSet:moveDocumentIndexTo(Document.name, browser.cursor + 1)
 				browser.cursor = browser.cursor + 1
@@ -64,7 +64,7 @@ function Cmd.ManageDocumentsUI()
 			return "nop"
 		end,
 		
-		["r"] = function()
+		["R"] = function()
 			local name = PromptForString("Change name of current document", "Please enter the new document name:", Document.name)
 			if not name or (name == Document.name) then
 				return "confirm"
@@ -78,7 +78,7 @@ function Cmd.ManageDocumentsUI()
 			return "confirm"
 		end,
 		
-		["x"] = function()
+		["X"] = function()
 			if (#browser.data == 1) then
 				ModalMessage("Unable to delete document", "You can't delete the last document from the document set.")
 				return "confirm"
@@ -97,7 +97,7 @@ function Cmd.ManageDocumentsUI()
 			return "confirm"
 		end,
 		
-		["n"] = function()
+		["N"] = function()
 			Cmd.AddBlankDocument()
 			return "confirm"
 		end,