diff --git a/src/usage.txt b/src/usage.txt
index 1d4c6c1..94cf3cf 100644
--- a/src/usage.txt
+++ b/src/usage.txt
@@ -1,7 +1,5 @@
-'o' to open a new image
-'r' to rotate
-'i' to invert colors
-'f' to switch filter
-'b' to toggle the bar
-'s' to save the image
-'q' to quit
+"o" to open a new image
+"r" to rotate
+"i" to invert colors
+"s" to save the image
+"q" to quit