message: Document _getCanonicalTransitions
diff: @@ -119,18 +119,11 @@ module.exports = React.createClass({
  },
  /**
  - * Canonicalise an array of transitions into an array of transitions and how many times
  - * they are repeated consecutively.
  - *
  - * An array of 123 "joined_and_left" transitions, would result in:
  - * ```
  - * [{
  - * transitionType: "joined_and_left"
  - * repeats: 123
  - * }, ... ]
  - * ```
  - * @param {string[]} transitions the array of transitions to transform.
  - * @returns {object[]} an array of truncated transitions.
  + * Canonicalise an array of transitions such that some pairs of transitions become
  + * single transitions. For example an input ['joined','left'] would result in an output
  + * ['joined_and_left'].
  + * @param {string[]} transitions an array of transitions.
  + * @returns {string[]} an array of transitions.
  */
  _getCanonicalTransitions: function(transitions) {
  let modMap = {
  