diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
index 38fe07873e1d..91aba7c1bdac 100644
--- a/lib/matplotlib/axes/_axes.py
+++ b/lib/matplotlib/axes/_axes.py
@@ -116,6 +116,13 @@ def set_title(self, label, fontdict=None, loc=None, pad=None, *, y=None,
             Text to use for the title
 
         fontdict : dict
+
+            .. admonition:: Discouraged
+
+               The use of *fontdict* is discouraged. Parameters should be passed as
+               individual keyword arguments or using dictionary-unpacking
+               ``set_title(..., **fontdict)``.
+
             A dictionary controlling the appearance of the title text,
             the default *fontdict* is::
 
@@ -641,6 +648,13 @@ def text(self, x, y, s, fontdict=None, **kwargs):
             The text.
 
         fontdict : dict, default: None
+
+            .. admonition:: Discouraged
+
+               The use of *fontdict* is discouraged. Parameters should be passed as
+               individual keyword arguments or using dictionary-unpacking
+               ``text(..., **fontdict)``.
+
             A dictionary to override the default text properties. If fontdict
             is None, the defaults are determined by `.rcParams`.
 
diff --git a/lib/matplotlib/axis.py b/lib/matplotlib/axis.py
index eb24ff1fac84..717000131b13 100644
--- a/lib/matplotlib/axis.py
+++ b/lib/matplotlib/axis.py
@@ -1753,6 +1753,13 @@ def set_label_text(self, label, fontdict=None, **kwargs):
             Text string.
         fontdict : dict
             Text properties.
+
+            .. admonition:: Discouraged
+
+               The use of *fontdict* is discouraged. Parameters should be passed as
+               individual keyword arguments or using dictionary-unpacking
+               ``set_label_text(..., **fontdict)``.
+
         **kwargs
             Merged into fontdict.
         """
@@ -1913,6 +1920,13 @@ def set_ticklabels(self, labels, *, minor=False, fontdict=None, **kwargs):
             If True, set minor ticks instead of major ticks.
 
         fontdict : dict, optional
+
+            .. admonition:: Discouraged
+
+               The use of *fontdict* is discouraged. Parameters should be passed as
+               individual keyword arguments or using dictionary-unpacking
+               ``set_ticklabels(..., **fontdict)``.
+
             A dictionary controlling the appearance of the ticklabels.
             The default *fontdict* is::