diff --git a/README.md b/README.md
index afd34d7..fdd2aea 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,23 @@ $ zig build run
 ```
 Press escape to close the program.
 
+# Default keybindings
+Movement, hold Shift to expand selection:
+* `h`: left
+* `j`: down
+* `k`: up
+* `l`: right
+* `y`: up-left
+* `u`: up-right
+* `b`: down-left
+* `n`: down-right
+
+Actions:
+* `d`: delete selection
+* `+`: increase scale (zoom)
+* `-`: decrease scale (dezoom)
+* `=`: reset scale
+
 # License
 Copyright (c) 2021 KikooDX
 
diff --git a/src/main.zig b/src/main.zig
index 7834d73..e77a1a0 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -120,7 +120,7 @@ pub fn main() !void {
                         scale += 1;
                     },
                     // Reset zoom.
-                    '0' => scale = scale_default,
+                    '=' => scale = scale_default,
                     else => log("No action for {} key.", .{action}),
                 }
             }