matplotlib
diff --git a/‎lib/matplotlib/colors.py
Copy file name to clipboardExpand all lines: lib/matplotlib/colors.py
+5-3Lines changed: 5 additions & 3 deletions b/‎lib/matplotlib/colors.py
Copy file name to clipboardExpand all lines: lib/matplotlib/colors.py
+5-3Lines changed: 5 additions & 3 deletions
@@ -557,10 +557,12 @@ def _warn_if_global_cmap_modified(cmap):
     if getattr(cmap, '_global', False):
         _api.warn_deprecated(
             "3.3",
+            removal="3.6",
             message="You are modifying the state of a globally registered "
-                    "colormap. In future versions, you will not be able to "
-                    "modify a registered colormap in-place. To remove this "
-                    "warning, you can make a copy of the colormap first. "
+                    "colormap. This has been deprecated since %(since)s and "
+                    "%(removal)s, you will not be able to modify a "
+                    "registered colormap in-place. To remove this warning, "
+                    "you can make a copy of the colormap first. "
                     f'cmap = mpl.cm.get_cmap("{cmap.name}").copy()'
         )