index: fix typo

.vitepress/config.mjs

@@ -17,7 +17,7 @@ export default defineConfig({
           { text: 'gui', link: '/gui' },
           { text: 'use samples', link: '/use-samples' },
           { text: 'mixing', link: '/mixing' },
-          { text: 'adsr envlope', link: '/adsr' },
+          { text: 'adsr envelope', link: '/adsr' },
           { text: 'use dsl', link: '/dsl' },
           { text: 'as web audio node', link: '/node' }
         ]

index.md

@@ -59,7 +59,7 @@ glicol.play({
 
 The engine will analyse the difference and only update those nodes modified.
 
-> This is the key for the what-you-see-if-what-you-get style. We have done the hard work on the engine so you don't have to manually manage all the nodes and connect them everywhere.
+> This is the key for the what-you-see-is-what-you-get style. We have done the hard work on the engine so you don't have to manually manage all the nodes and connect them everywhere.
 
 A lighter way to do it is to write:
 

mixing.md

@@ -20,7 +20,7 @@ Note how the `mix` use `..` as a syntax sugar. The example above is equivalant t
 glicol.play({
   "~t1": seq("60 60 60 60").sp("808bd").mul(0.5),
   "~t2": seq("60 _ 67 _63").sp("guitar").lpf(1800, 1).mul(0.5),
-  o: mix("~t1 ~t2").plate(0.1),
+  o: mix("~t..").plate(0.1),
 });
 ```
 

use-samples.md

@@ -33,7 +33,7 @@ glicol.play({
 
 However, a more usefull tool is the `seq` node.
 
-The "seq" node takes unlimited number of parameters called "notes", seperated by spaces.
+The "seq" node takes unlimited number of parameters called "notes", separated by spaces.
 
 These "notes" will equally divide one bar music.