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@@ -8,3 +8,11 @@ images all with the same aspect ratio, this is the tool for you.
 To compile, run `make release`.
 
 There may be bugs; I won't fix them (sorry).
+
+See the top of `main.c` for basic configuration.
+Click to make a new crop. The first one will be stored as `[filename]-1.png`, then
+`[filename]-2.png`, etc. You can press a number key to switch to that index.
+
+Scroll to resize the cropping frame, and press r to reset it to the default.
+Press space/n to move to the next image, and p to move to the previous one.
+