diff --git a/app.lua b/app.lua
index 87211ef..7099596 100644
--- a/app.lua
+++ b/app.lua
@@ -169,12 +169,12 @@ function App.screen.check(y, expected_contents, msg)
   check_eq(contents, expected_contents, msg)
 end
 
--- If you access the time using App.getTime instead of love.timer.getTime,
+-- If you access the time using App.get_time instead of love.timer.getTime,
 -- tests will be able to move the time back and forwards as needed using
 -- App.wait_fake_time below.
 
 App.time = 1
-function App.getTime()
+function App.get_time()
   return App.time
 end
 function App.wait_fake_time(t)
@@ -185,16 +185,16 @@ function App.width(text)
   return love.graphics.getFont():getWidth(text)
 end
 
--- If you access the clipboard using App.getClipboardText and
--- App.setClipboardText instead of love.system.getClipboardText and
--- love.system.setClipboardText respectively, tests will be able to manipulate
--- the clipboard by reading/writing App.clipboard.
+-- If you access the clipboard using App.get_clipboard and App.set_clipboard
+-- instead of love.system.getClipboardText and love.system.setClipboardText
+-- respectively, tests will be able to manipulate the clipboard by
+-- reading/writing App.clipboard.
 
 App.clipboard = ''
-function App.getClipboardText()
+function App.get_clipboard()
   return App.clipboard
 end
-function App.setClipboardText(s)
+function App.set_clipboard(s)
   App.clipboard = s
 end
 
@@ -417,9 +417,9 @@ function App.disable_tests()
           end
         end
   end
-  App.getTime = love.timer.getTime
-  App.getClipboardText = love.system.getClipboardText
-  App.setClipboardText = love.system.setClipboardText
+  App.get_time = love.timer.getTime
+  App.get_clipboard = love.system.getClipboardText
+  App.set_clipboard = love.system.setClipboardText
   App.key_down = love.keyboard.isDown
   App.mouse_move = love.mouse.setPosition
   App.mouse_down = love.mouse.isDown
diff --git a/edit.lua b/edit.lua
index ef1cda4..7c5e4e0 100644
--- a/edit.lua
+++ b/edit.lua
@@ -459,13 +459,13 @@ function edit.keychord_press(State, chord, key)
   elseif chord == 'C-c' then
     local s = Text.selection(State)
     if s then
-      App.setClipboardText(s)
+      App.set_clipboard(s)
     end
   elseif chord == 'C-x' then
     for _,line_cache in ipairs(State.line_cache) do line_cache.starty = nil end  -- just in case we scroll
     local s = Text.cut_selection(State, State.left, State.right)
     if s then
-      App.setClipboardText(s)
+      App.set_clipboard(s)
     end
     schedule_save(State)
   elseif chord == 'C-v' then
@@ -474,7 +474,7 @@ function edit.keychord_press(State, chord, key)
     -- and sometimes scroll when we didn't quite need to.
     local before_line = State.cursor1.line
     local before = snapshot(State, before_line)
-    local clipboard_data = App.getClipboardText()
+    local clipboard_data = App.get_clipboard()
     for _,code in utf8.codes(clipboard_data) do
       local c = utf8.char(code)
       if c == '\n' then
diff --git a/reference.md b/reference.md
index 8136ea2..03ebf62 100644
--- a/reference.md
+++ b/reference.md
@@ -379,15 +379,15 @@ and [the Lua manual](https://www.lua.org/manual/5.1/manual.html#5.7).
 
 ### desiderata
 
-* `App.getTime()` -- returns the number of seconds elapsed since some
+* `App.get_time()` -- returns the number of seconds elapsed since some
   unspecified start time.
   (Based on [LÖVE](https://love2d.org/wiki/love.timer.getTime).)
 
-* `App.getClipboardText()` -- returns a string with the current clipboard
+* `App.get_clipboard()` -- returns a string with the current clipboard
   contents.
   (Based on [LÖVE](https://love2d.org/wiki/love.system.getClipboardText).)
 
-* `App.setClipboardText(text)` -- stores the string `text` in the clipboard.
+* `App.set_clipboard(text)` -- stores the string `text` in the clipboard.
   (Based on [LÖVE](https://love2d.org/wiki/love.system.setClipboardText).)
 
 * `array.find(arr, elem)` -- scan table `arr` for `elem` assuming it's
diff --git a/source_edit.lua b/source_edit.lua
index 565b989..96bfb12 100644
--- a/source_edit.lua
+++ b/source_edit.lua
@@ -448,13 +448,13 @@ function edit.keychord_press(State, chord, key)
   elseif chord == 'C-c' then
     local s = Text.selection(State)
     if s then
-      App.setClipboardText(s)
+      App.set_clipboard(s)
     end
   elseif chord == 'C-x' then
     for _,line_cache in ipairs(State.line_cache) do line_cache.starty = nil end  -- just in case we scroll
     local s = Text.cut_selection(State, State.left, State.right)
     if s then
-      App.setClipboardText(s)
+      App.set_clipboard(s)
     end
     schedule_save(State)
   elseif chord == 'C-v' then
@@ -463,7 +463,7 @@ function edit.keychord_press(State, chord, key)
     -- and sometimes scroll when we didn't quite need to.
     local before_line = State.cursor1.line
     local before = snapshot(State, before_line)
-    local clipboard_data = App.getClipboardText()
+    local clipboard_data = App.get_clipboard()
     for _,code in utf8.codes(clipboard_data) do
       local c = utf8.char(code)
       if c == '\n' then