incept dates

specification/proposals_intro.rst

@@ -21,7 +21,7 @@ The process for submitting a Matrix Spec Change (MSC) Proposal is as follows:
 
 Final decisions on review are made by the +matrix:matrix.org community (i.e. the core team), acting on behalf of the whole Matrix community.
 
-Proposals **must** act to the greater benefit of the entire Matrix ecosystem, rather than benefiting or privileging any single player or subset of players - and must not contain any patent encumbered IP.  The Matrix core team pledges to act as a neutral custodian for Matrix on behalf of the whole ecosystem.
+Proposals **must** act to the greater benefit of the entire Matrix ecosystem, rather than benefiting or privileging any single player or subset of players - and must not contain any patent encumbered IP.  The Matrix core team pledges to act as a neutral custodian for Matrix on behalf of the whole ecosystem, just as it has since Matrix's inception in May 2014.
 
 The directions above are not intended to be exhaustive but simple and pragmatic.  A full governance document for the Matrix core team will follow in due course.
 
@@ -101,6 +101,7 @@ Other metadata:
 - the MSC (Matrix Spec Change) number is taken from the github issue ID. This is carried for the lifetime of the proposal, including the PR creation phase.  N.B. They are not in chronological order!
 - Please use the github issue title to set the title.
 - Please link to the proposal document by adding a "Documentation: <url>" line in the issue description.
+- Please link to the spec PR (if any) by adding a "PRs: #1234" line in the issue description.
 - The creation date is taken from the github issue, but can be overriden by adding a "Date: yyyy-mm-dd" line in the issue description.
 - Updated Date is taken from github.
 - Author is the creator of the github issue, but can be overriden by adding a "Author: @username" line in the body of the issue description. Please make sure @username is a github user (include the @!)