Ensure removal of release candidate from What's New title. (#5526)

docs/src/whatsnew/3.7.rst

@@ -1,7 +1,7 @@
 .. include:: ../common_links.inc
 
-v3.7 (16 Aug 2023) [release candidate]
-**************************************
+v3.7 (16 Aug 2023)
+******************
 
 This document explains the changes made to Iris for this release
 (:doc:`View all changes <index>`.)
@@ -46,7 +46,7 @@ This document explains the changes made to Iris for this release
 
 #. `@rcomer`_ rewrote :func:`~iris.util.broadcast_to_shape` so it now handles
    lazy data. (:pull:`5307`)
-   
+
    .. _concat_warnings:
 
 #. `@acchamber`_   added error and warning messages about coordinate overlaps to
@@ -69,11 +69,11 @@ This document explains the changes made to Iris for this release
 =============
 
 #. `@acchamber`_ fixed a bug with :func:`~iris.util.unify_time_units` so it does not block
-   concatenation through different data types in rare instances. (:pull:`5372`) 
+   concatenation through different data types in rare instances. (:pull:`5372`)
 
 #. `@acchamber`_ removed some obsolete code that prevented extraction of time points
    from cubes with bounded times (:pull:`5175`)
-   
+
    .. _cftime_warnings:
 
 #. `@rcomer`_ modified pp-loading to avoid a ``cftime`` warning for non-standard

tools/release_do_nothing.py

@@ -279,6 +279,11 @@ def finalise_whats_new(
             whatsnew_title += " [release candidate]"
         # TODO: automate
         message = f"In {rsts.release.name}: set the page title to:\n{whatsnew_title}\n"
+        if not is_release_candidate:
+            message += (
+                "\nBe sure to remove any existing mentions of release "
+                "candidate from the title.\n"
+            )
         _wait_for_done(message)
 
         message = (