remove ambiguity

specification/proposals_intro.rst

@@ -10,8 +10,8 @@ If you are interested in submitting a change to the Matrix Specification,
 please take note of the following guidelines.
 
 All changes to Specification content require a formal proposal process. This
-involves writing a proposal, having it reviewed by the Matrix community, having
-the proposal being accepted, then actually having your ideas implemented as
+involves writing a proposal, having it reviewed by everyone, having the
+proposal being accepted, then actually having your ideas implemented as
 committed changes to the `Specification repository
 <https://github.com/matrix-org/matrix-doc>`_.