(a) An amendment to the Charter proposed by the Council must be approved by a vote of a majority of all Councillors plus one;
(b) The Council shall hold at least two public hearings prior to its vote on the proposed Charter amendment. The Council may revise the proposed amendment as a result of suggestions and recommendations made at the first public hearing, but if such a revision is made at the second of the two public hearings, the Council shall hold a third public hearing on the proposed Charter amendment. Any revisions made shall be posted along with the notice of the next meeting after a review by the City Attorney to ensure the summary is still accurate after the revision.