doc: point to read_dipole (#13149)

Co-authored-by: Eric Larson <larson.eric.d@gmail.com>

Author: sappelhoff

mne/_fiff/meas_info.py

@@ -1324,6 +1324,7 @@ class Info(ValidatedDict, SetChannelsMixin, MontageMixin, ContainsMixin):
     See Also
     --------
     mne.create_info
+    mne.pick_info
 
     Notes
     -----

mne/dipole.py

@@ -162,6 +162,10 @@ def save(self, fname, overwrite=False, *, verbose=None):
             .. versionadded:: 0.20
         %(verbose)s
 
+        See Also
+        --------
+        read_dipole
+
         Notes
         -----
         .. versionchanged:: 0.20
@@ -518,15 +522,19 @@ def ch_names(self):
 
     @verbose
     def save(self, fname, verbose=None):
-        """Save dipole in a .fif file.
+        """Save dipole in FIF format.
 
         Parameters
         ----------
         fname : path-like
-            The name of the .fif file. Must end with ``'.fif'`` or
-            ``'.fif.gz'`` to make it explicit that the file contains
+            The name of the FIF file. Must end with ``'-dip.fif'`` or
+            ``'-dip.fif.gz'`` to make it explicit that the file contains
             dipole information in FIF format.
         %(verbose)s
+
+        See Also
+        --------
+        read_dipole
         """
         check_fname(
             fname,
@@ -585,12 +593,12 @@ def plot(self, show=True, time_unit="s"):
 # IO
 @verbose
 def read_dipole(fname, verbose=None):
-    """Read ``.dip`` file from Neuromag/xfit or MNE.
+    """Read a dipole object from a file.
 
     Parameters
     ----------
     fname : path-like
-        The name of the ``.dip`` or ``.fif`` file.
+        The name of the ``.[b]dip`` or ``.fif[.gz]`` file.
     %(verbose)s
 
     Returns