Update README.md and other md files. (checkedc#77)

Author: dtarditi

CONTRIBUTING.md

@@ -35,8 +35,8 @@ to the specification, tests, examples, or implement compiler features.
 
 ## Licensing
 
-You are of course free to discuss the specification using the email lists or the 
-[Checked C issues](https://github.com/Microsoft/checkedc/issues) system. These are public forms, so do not
+You are free to discuss the specification using the email lists or the
+[Checked C issues](https://github.com/Microsoft/checkedc/issues) system. These are public forums, so do not
 share confidential information.
 
 ### Specification

MAILING-LISTS.md

@@ -1,20 +1,20 @@
 # Mailing Lists
 
-There are two mailing lists for following the Checked C project:
+There are two mailing lists for the Checked C project:
 
 * checkedc-announce: this is a low-traffic mailing list for announcements about the
-project. It is used for important announcements and to announce
-the availability of new versions of specifications  and  implementations.
-* checkedc-discussion: this mailing list is for discussing the design of Checked C and for 
-questions about Checked C.
+project, such as the availability of new versions of specifications  and  implementations.
+* checkedc-discussion: this is for discussing the design and
+implementation of Checked C and for questions about Checked C.  Weekly status
+updates are sent to this list.
 
-These email lists are open to anyone involved in the project.  They are not confidential. 
-Please do not include confidential or proprietary information in emails sent to the lists.
+The email lists are open to anyone involved in the project.  They are not confidential, so
+please do not include confidential or proprietary information in emails sent to the lists.
 
 ## Joining
 
 To join the mailing lists, send an email to [email protected] with a 
-message body containing the word SUBSCRIBE followed by the name of the mailing list 
+message body containing the word SUBSCRIBE followed by the name of the mailing list
 (either CHECKEDC-ANNOUNCE or CHECKEDC-DISCUSSION).
 
 To leave a mailing list, send an email to [email protected] with a 
@@ -26,7 +26,7 @@ To email a list, send email to [email protected], where NAME is
 checkedc-announce or checkedc-discussion.
 
 These email lists are for anyone involved in or interested in the Checked C project.
-For specific issues about a specification or implementation, you can  open an issue using 
+For specific issues about a specification or implementation, you can open an issue using 
 the Github issue tracking system.  If in doubt, feel free to send an email to the discussion
 list.   If we think something should be tracked using an issue, we'll ask you to open one
 or open one ourselves.
@@ -44,4 +44,5 @@ you can log into the archive site.
 ## Privacy policy
 
 Usage of these email lists is subject to the following privacy policy:
-http://research.microsoft.com/en-us/help/listserverprivacy.aspx.
+https://go.microsoft.com/fwlink/?LinkId=521839
+

README.md

@@ -10,7 +10,10 @@ version of LLVM/clang lives in the
 and the [Checked C LLVM repo](https://github.com/Microsoft/checkedc-llvm).
 
 # Getting involved
-See [Contributing](CONTRIBUTING.md) for how to get involved with Checked C and contribute to the project.
+You can join the [mailing lists](https://github.com/Microsoft/CheckedC/blob/master/MAILING-LISTS.md) for
+announcements and weekly status updates about the project.  There are a variety of ways to get involved
+in the project, including opening issues, contributing changes to the specification, or helping out with
+the compiler and tools implementation. See [contributing](CONTRIBUTING.md) for more information.
 
 # Licensing
 The software in this repository is covered by the MIT license.  See the file LICENSE.TXT for the license.   The