diff --git a/README.md b/README.md
index e1352e8..ba6c745 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ You can also get the node from comfy manager under the name of More math.
 # Features
 
 - functions and variables in math expressions
-- Nodes for CONDITIONING, LATENT, IMAGE, NOISE, FLOAT, and AUDIO
+- Nodes for CONDITIONING, LATENT, IMAGE, NOISE, FLOAT, VIDEO and AUDIO
 
 ## Operators
 - Math: `+`, `-`, `*`, `/`, `%`, `^`
@@ -28,7 +28,7 @@ You can also get the node from comfy manager under the name of More math.
 - Hyperbolic: `sinh`, `cosh`, `tanh`, `asinh`, `acosh`, `atanh`
 - Aggregates: `smin`, `smax` , `snorm` (scalar), `tmin`, `tmax`, `tnorm` (elementwise)
 - Other: `floor`, `ceil`, `round`, `gamma`, `clamp`, `sigm` (sigmoid) `fft` (N-D FFT on non-batch/channel dims), `ifft` (Inverse N-D FFT, returns real component), `angle` (in ifft only)
-- Shaders: `lerp(a, b, w)`, `step(edge, x)`, `smoothstep(edge0, edge1, x)`, `fract(x)`
+- Shaders: `lerp(a, b, w)`, `step(x, edge)`, `smoothstep(x,edge0, edge1)`, `fract(x)`
 - ML: `relu(x)`, `softplus(x)`, `gelu(x)`, `sign(x)`
 - Tensor: `swap(tensor, dim, index1, index2)` (swaps two slices of a tensor along a dimension)
 
@@ -36,7 +36,12 @@ You can also get the node from comfy manager under the name of More math.
 - **common inputs** (matches node input type):
   - `a`, `b`, `c`, `d` 
 - **Extra floats**:
-  - `w`, `x`, `y`, `z`   
+  - `w`, `x`, `y`, `z`
+- **INSIDE IFFT**
+  - `F` or `frequency_count` – frequency count (freq domain, iFFT only)
+  - `K` or `frequency` – isotropic frequency (Euclidean norm of indices, iFFT only)
+  - `Kx`, `Ky`, `K_dimN` - frequency index for specific dimension
+  - `Fx`, `Fy`, `F_dimN` - frequency count for specific dimension
 - **IMAGE and LATENT**:
   - `C` or `channel` - channel of image 
   - `X` - position X in image. 0 is in top left
@@ -46,19 +51,15 @@ You can also get the node from comfy manager under the name of More math.
   - `B` or 'batch' - position in batch
   - 'T' or 'batch_count` - number of batches
   - `N` or `channel_count` - count of channels
-  - `F` or `frequency_count` – frequency count (freq domain, iFFT only)
-  - `K` or `frequency` – isotropic frequency (Euclidean norm of indices, iFFT only)
-  - `Kx`, `Ky`, `K_dimN` - frequency index for specific dimension
-  - `Fx`, `Fy`, `F_dimN` - frequency count for specific dimension
+
 - **AUDIO**:
   - `B` or 'batch' - position in batch
   - `N` or `channel_count` - count of channels
+  - `C` or `channel` - channel of audio
   - `S` or `sample` – current audio sample
   - 'T' or 'sample_count` - audio lenght in samples
   - `R` or `sample_rate` – sample rate
 
-  - `F` – frequency count (freq domain, iFFT only)
-  - `K` – isotropic frequency (freq domain, iFFT only)
 - **VIDEO**
   - refer to `IMAGE and LATENT` for visual part (but `batch` is `frame` and `batch_count` is `frame_count`)
   - refer to `AUDIO` for sound part
@@ -67,11 +68,8 @@ You can also get the node from comfy manager under the name of More math.
   - `I` or `input_latent` – latent used as input to generate noise before noise is generated into it
 - **CONDITIONING and FLOAT**
   - no additional variables
-
+  - `F` or `frequency_count` – frequency count (freq domain, iFFT only)
+  - `K` or `frequency` – isotropic frequency (Euclidean norm of indices, iFFT only)
+  - `Kx`, `Ky`, `K_dimN` - frequency index for specific dimension
+  - `Fx`, `Fy`, `F_dimN` - frequency count for specific dimension
 - Constants: `e`, `pi`
-
-## Examples
-
-### Swap Red and Blue Channels
-`swap(a, 1, 0, 2)` 
-*(for ImageMathNode, where dim 1 is Channel)*