Update controls.md

pages/_en-US/nds-bootstrap/controls.md

@@ -14,7 +14,6 @@ These do not apply to homebrew.
 - <kbd class="l">L</kbd> + <kbd class="r">R</kbd> + <kbd>START</kbd> + <kbd>SELECT</kbd> for 2 seconds: Reset game
     - Many games support simply pressing this button combination by default, but this will force reset it
 - <kbd class="l">L</kbd> + <kbd>Down</kbd> + <kbd>SELECT</kbd>: Open the in-game menu
-    - <kbd class="r">R</kbd>: Advance by one frame
     - Screenshot
         - <kbd>Up</kbd>/<kbd>Down</kbd>/<kbd>Left</kbd>/<kbd>Right</kbd>: Change VRAM bank
         - <kbd class="face">A</kbd>: Save screenshot
@@ -42,8 +41,7 @@ These do not apply to homebrew.
         - <kbd>Up</kbd>/<kbd>Down</kbd>: Increase/Decrease selected value
         - <kbd>Left</kbd>/<kbd>Right</kbd>: Select a value
         - <kbd class="face">A</kbd>/<kbd class="face">B</kbd>: Return to RAM Viewer/Editor at specified address
-- Returning to loader may not work on some O3DS models, and does not work in B4DS mode
+- Returning to loader may not work on some O3DS models, and does not work in B4DS mode when running DSiWare
 - The button combination for opening the in-game menu can be changed in the TWiLight Menu++ settings
 - Precise volume control can be turned on or off in the TWiLight Menu++ settings
 - Screenshots are saved to `sd:/_nds/nds-bootstrap/screenshots.tar`. This file can be opened using an archive viewer such as [7-Zip](https://www.7-zip.org/)
-- Taking screenshots is currently not possible in B4DS mode