diff --git a/README.md b/README.md
index 1d172d9..05e0763 100644
--- a/README.md
+++ b/README.md
@@ -37,8 +37,3 @@ scritcher examples/middle_amp.scri blah.bmp
 // blah_g1.bmp, the second saves to blah_g2.bmp, etc.
 $your_image_viewer blah_g1.bmp
 ```
-
-## todo
-
- - search other plugins
- - conquer the world for glitchy anime girls
diff --git a/doc/README.md b/doc/README.md
index 115290c..d03424b 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -114,7 +114,7 @@ Parameters:
  - `gain`: Gain, 0..12, default 0
  - `noClip`: Soft Clip (assumed boolean), 0..1, default 0
 
-## `delay seed gain feedback_pc tap_count first_delay delay_range delay_scale delay_rand_pc gain_scale wet`
+## `delay split index seed gain feedback_pc tap_count first_delay delay_range delay_scale delay_rand_pc gain_scale wet`
 
 Parameters:
  - `seed`: Random seed, 0..1000, default 0
diff --git a/src/lang.zig b/src/lang.zig
index 6b6b980..f0de684 100644
--- a/src/lang.zig
+++ b/src/lang.zig
@@ -28,6 +28,8 @@ pub const CommandType = enum {
     RevDelay,
     Noise,
     WildNoise,
+
+    Rotate,
 };
 
 pub const Command = struct {
@@ -159,6 +161,9 @@ pub const Lang = struct {
         // custom implementations (not lv2)
         _ = try self.keywords.put("noise", .Noise);
         _ = try self.keywords.put("wildnoise", .WildNoise);
+
+        // even more custom
+        _ = try self.keywords.put("rotate", .Rotate);
     }
 
     pub fn parse(self: *Lang, data: []const u8) !CommandList {