Fixed several typos in markdown files. (#5005)

docs/api-reference/v1.7/node_modules/jquery.scrollto/CHANGELOG.md

@@ -111,7 +111,7 @@
 - In addition to window/document, if html or body are received, the plugin will choose the right one.
 ### Fix
 - The plugin accepts floating numbers, Thanks Ramin
-- Using jQuery.nodeName where neccessary so that this works on xml+xhtml
+- Using jQuery.nodeName where necessary so that this works on xml+xhtml
 - The max() internal function wasn't completely accurrate, now it is 98% (except for IE on quirks mode and it's not too noticeable).
 
 ## 1.4
@@ -183,4 +183,4 @@
 - Two axes can be scrolled together, this is set with the option 'axis'.
 - In case 2 axes are chosen, the scrolling can be queued: one scrolls, and then the other.
 - There's an intermediary event, 'onAfterFirst' called in case the axes are queued, after the first ends.
-- If the option 'margin' is set to true, the plugin will take in account, the margin of the target(no use if target is a value).
+- If the option 'margin' is set to true, the plugin will take in account, the margin of the target(no use if target is a value).

docs/api-reference/v1.7/node_modules/marked/README.md

@@ -297,7 +297,7 @@ $ cat hello.html
 
 The point of marked was to create a markdown compiler where it was possible to
 frequently parse huge chunks of markdown without having to worry about
-caching the compiled output somehow...or blocking for an unnecesarily long time.
+caching the compiled output somehow...or blocking for an unnecessarily long time.
 
 marked is very concise and still implements all markdown features. It is also
 now fully compatible with the client-side.