typos

README.md

@@ -223,7 +223,7 @@ This list of tools and software is intended to briefly describe some of the most
 * [WS-DL Blog](https://ws-dl.blogspot.com/) - Web Science and Digital Libraries Research Group blogs about various Web archiving related topics, scholarly work, and academic trip reports.
 * [DSHR's Blog](https://blog.dshr.org/) - David Rosenthal regularly reviews and summarizes work done in the Digital Preservation field.
 * [UK Web Archive Blog](https://blogs.bl.uk/webarchive/)
-* [Common Crawl Foundation Blog](https://commoncrawl.org/blog) -- [rss](http://www.commoncrawl.org/blog/rss.xml)
+* [Common Crawl Foundation Blog](https://commoncrawl.org/blog) -- [rss](http://commoncrawl.org/blog/rss.xml)
 
 ### Mailing Lists
 
@@ -237,7 +237,7 @@ This list of tools and software is intended to briefly describe some of the most
 * [IIPC Slack](https://iipc.slack.com/) - Ask [@netpreserve](https://twitter.com/NetPreserve?s=20) for access.
 * [Archives Unleashed Slack](https://archivesunleashed.slack.com/) - [Fill out this request form](http://slack.archivesunleashed.org/) for access to a researcher group of people working with web archives.
 * [Archivers Slack](https://archivers.slack.com) - [Invite yourself](https://archivers-slack.herokuapp.com/) to a multi-disciplinary effort for archiving projects run in affiliation with [EDGI](https://envirodatagov.org/archiving/) and [Data Together](http://datatogether.org/).
-* [Common Crawl Foundation Partners](ccfpartners.slack.com) (ask greg zat commoncrawl zot org for an invite)
+* [Common Crawl Foundation Partners](https://ccfpartners.slack.com/) (ask greg zat commoncrawl zot org for an invite)
 
 ### Twitter