[docs & project page] Typo fixes.

doc/manual.html

@@ -446,7 +446,7 @@
 
     <p>Various CodeMirror-related objects emit events, which allow
     client code to react to various situations. Handlers for such
-    events can be registed with the <a href="#on"><code>on</code></a>
+    events can be registered with the <a href="#on"><code>on</code></a>
     and <a href="#off"><code>off</code></a> methods on the objects
     that the event fires on. To fire your own events,
     use <code>CodeMirror.signal(target, name, args...)</code>,
@@ -1262,7 +1262,7 @@
         only in its target document.</dd>
       </dl>
       The method will return an object that represents the marker
-      (with constuctor <code>CodeMirror.TextMarker</code>), which
+      (with constructor <code>CodeMirror.TextMarker</code>), which
       exposes three methods:
       <code><strong>clear</strong>()</code>, to remove the mark,
       <code><strong>find</strong>()</code>, which returns
@@ -2065,7 +2065,7 @@
       uses <code>CodeMirror.hint.fromList</code> to complete from
       those.</dd>
       <dd>When completions
-      aren't simple strings, they should be objects with the folowing
+      aren't simple strings, they should be objects with the following
       properties:
       <dl>
         <dt><code><strong>text</strong>: string</code></dt>

index.html

@@ -41,7 +41,7 @@
   <p><strong>CodeMirror</strong> is a versatile text editor
   implemented in JavaScript for the browser. It is specialized for
   editing code, and comes with a number of language modes and addons
-  that implement more advanced editing functionaly.</p>
+  that implement more advanced editing functionality.</p>
 
   <p>A rich <a href="doc/manual.html#api">programming API</a> and a
   CSS <a href="doc/manual.html#styling">theming</a> system are