Fix blocker label description (#1549)

Author: StanFromIreland

triage/labels.rst

@@ -122,11 +122,11 @@ Other labels
 * :gh-label:`pending`: for issues/PRs that will be closed unless further
   feedback is provided.
 * :gh-label:`release-blocker`/:gh-label:`deferred-blocker`: for issues/PRs
-  and the :ref:`branch's release manager <branchstatus>`
-  removing or retaining the label as appropriate.
   that, unless fixed, will hold the current or next release respectively.
   Triagers may set these labels for issues that must be fixed before a release,
+  and the :ref:`branch's release manager <branchstatus>`
   will review them and determine if they indeed qualify,
+  removing or retaining the label as appropriate.
 * :gh-label:`sprint`: for easier filtering of issues/PRs being worked on
   during official sprints.
 * :gh-label:`stale`: for issues/PRs that have been inactive for a while.