Fix typos in project documentation (#305)

Co-authored-by: Nathan Bierema <[email protected]>

Author: plan-do-break-fix

docs/arrays.md

@@ -63,7 +63,7 @@ moves are detected by default, you can turn move detection off with:
 {
   "_originalIndex": // this is the item original position in the array
   [
-    '', // the moved item value, supressed by default
+    '', // the moved item value, suppressed by default
     destinationIndex, // this is the item final position in the array
     3 // magic number to indicate: array move
   ]

docs/plugins.md

@@ -2,13 +2,13 @@
 
 `diff()`, `patch()` and `reverse()` functions are implemented using a pipes &filters pattern, making them extremely customizable by adding or replacing filters.
 
-Some examples of what you can acheive writing your own filter:
+Some examples of what you can achieve writing your own filter:
 
 - diff special custom objects (eg. DOM nodes, native objects, functions, RegExp, node.js streams?)
 - ignore parts of the graph using any custom rule (type, path, flags)
 - change diff strategy in specific parts of the graph, eg. rely on change tracking info for Knockout.js tracked objects
 - implement custom diff mechanisms, like relative numeric deltas
-- suprise me! :)
+- surprise me! :)
 
 Check the `/src/filters` folder for filter examples.