better doc

IPython/core/display.py

@@ -1156,7 +1156,9 b' class Video(DisplayObject):'
 @skip_doctest
 def set_matplotlib_formats(*formats, **kwargs):
     """
-    DEPRECATED
+    .. deprecated:: 7.23
+
+       use `matplotlib_inline.backend_inline.set_matplotlib_formats()`
 
     Select figure formats for the inline backend. Optionally pass quality for JPEG.
 
@@ -1177,8 +1179,8 b' def set_matplotlib_formats(*formats, **kwargs):'
         Keyword args will be relayed to ``figure.canvas.print_figure``.
     """
     warnings.warn(
-        "`set_matplotlib_formats` is deprecated, directly use "
-        "`matplotlib_inline.backend_inline.set_matplotlib_formats()`",
+        "`set_matplotlib_formats` is deprecated since IPython 7.23, directly "
+        "use `matplotlib_inline.backend_inline.set_matplotlib_formats()`",
         DeprecationWarning,
         stacklevel=2,
     )
@@ -1192,7 +1194,10 b' def set_matplotlib_formats(*formats, **kwargs):'
 @skip_doctest
 def set_matplotlib_close(close=True):
     """
-    DEPRECATED
+    .. deprecated:: 7.23
+
+        use `matplotlib_inline.backend_inline.set_matplotlib_close()`
+
 
     Set whether the inline backend closes all figures automatically or not.
 
@@ -1215,8 +1220,8 b' def set_matplotlib_close(close=True):'
         run?
     """
     warnings.warn(
-        "`set_matplotlib_close` is deprecated, directly use "
-        "`matplotlib_inline.backend_inline.set_matplotlib_close()`",
+        "`set_matplotlib_close` is deprecated since IPython 7.23, directly "
+        "use `matplotlib_inline.backend_inline.set_matplotlib_close()`",
         DeprecationWarning,
         stacklevel=2,
     )

IPython/core/pylabtools.py

@@ -364,7 +364,9 b' def import_pylab(user_ns, import_all=True):'
 
 def configure_inline_support(shell, backend):
     """
-    DEPRECATED
+    .. deprecated: 7.23
+
+        use `matplotlib_inline.backend_inline.configure_inline_support()`
 
     Configure an IPython shell object for matplotlib use.
 
@@ -375,8 +377,8 b' def configure_inline_support(shell, backend):'
     backend : matplotlib backend
     """
     warnings.warn(
-        "`configure_inline_support` is deprecated, directly use "
-        "`matplotlib_inline.backend_inline.configure_inline_support()`",
+        "`configure_inline_support` is deprecated since IPython 7.23, directly "
+        "use `matplotlib_inline.backend_inline.configure_inline_support()`",
         DeprecationWarning,
         stacklevel=2,
     )