Final polishing

Author: dy

README.md

@@ -7,9 +7,7 @@ npm install window-function
 ```
 
 ```js
-// Import everything, or just what you need
 import { hann, kaiser, generate, apply } from 'window-function'
-import hann from 'window-function/hann'
 
 // Every window: fn(i, N, ...params) → number
 hann(50, 101)                    // single sample → 1.0
@@ -25,6 +23,13 @@ apply(signal, hann)              // signal *= hann
 generate(kaiser, 1024, 8.6)     // Kaiser with β = 8.6
 ```
 
+Or import individual windows directly:
+
+```js
+import hann from 'window-function/hann'
+import kaiser from 'window-function/kaiser'
+```
+
 
 ## Reference
 
@@ -306,7 +311,7 @@ $w(n) = \sin^\alpha\!\left(\frac{\pi n}{N-1}\right)$
 
 <img src="https://raw.githubusercontent.com/audiojs/window-function/master/docs/plots/powerOfSine.svg">
 
-sin^α family. Codec design, parameterized spectral analysis.
+$\sin^\alpha$ family. Codec design, parameterized spectral analysis.
 
 ### `exponential(i, N, tau)`
 
@@ -476,9 +481,6 @@ cola(hann, 1024, 512)            // 0 — perfect STFT reconstruction
 - **`cola(fn, N, hop, ...params)`** — COLA deviation. 0 = perfect STFT reconstruction at given hop size.
 
 
-The per-sample API `fn(i, N, ...params) → number` is unchanged.
-
-
 [^dolph1946]: C.L. Dolph, "A Current Distribution for Broadside Arrays," *Proc. IRE* 34, 1946.
 [^gabor1946]: D. Gabor, "Theory of Communication," *J. IEE* 93, 1946.
 [^bartlett1950]: M.S. Bartlett, "Periodogram Analysis and Continuous Spectra," *Biometrika* 37, 1950.