Fixed minor typo in mcf.md reference (#330)

* Added note re: comments migration not supported

* fixed referring to a base_mcf in yml

* fixed link to website

* fixed identification.dates table

* fixed broken links in docs

* Fix typo in revision description in mcf.md

---------

Co-authored-by: Alexandre Leroux <[email protected]>

Author: alexandreleroux

docs/content/reference/mcf.md

@@ -189,7 +189,7 @@ Property Name|Mandatory/Optional|Description|Example|Reference
 -------------|------------------|-----------|-------|---------:
 creation|Mandatory*|'creation' reference date for the cited resource, referring to when the resource was brought into existence, *: presence of creation or publication or revision is mandatory|2000-09-01 or 2000-09-01T00:00:00Z|ISO 19115:2003 Section B.3.2.4
 publication|Optional*|'publication' reference date for the cited resource, referring to when the resource was issued, *: presence of creation or publication or revision is mandatory|2000-09-01 or 2000-09-01T00:00:00Z|ISO 19115:2003 Section B.3.2.4
-revision|Optional*|'revision' reference date for the cited resource, refersring to when the resource was examined or re-examined and improved or amended, *: presence of creation or publication or revision is mandatory|2000-09-01 or 2000-09-01T00:00:00Z|ISO 19115:2003 Section B.3.2.4
+revision|Optional*|'revision' reference date for the cited resource, referring to when the resource was examined or re-examined and improved or amended, *: presence of creation or publication or revision is mandatory|2000-09-01 or 2000-09-01T00:00:00Z|ISO 19115:2003 Section B.3.2.4
 
 ```yaml
 identification: