diff --git a/doc/changes/dev/13797.other.rst b/doc/changes/dev/13797.other.rst
new file mode 100644
index 00000000000..6619072b1ef
--- /dev/null
+++ b/doc/changes/dev/13797.other.rst
@@ -0,0 +1 @@
+Remove :class:`numpy.ndarray` from ``colormap`` parameter in :func:`mne.viz.plot_source_estimates` to solve documentation conflict , by :newcontrib:`Lifeng Qiu Lin`.
\ No newline at end of file
diff --git a/doc/changes/names.inc b/doc/changes/names.inc
index 48c3b86d2be..c42139ff57d 100644
--- a/doc/changes/names.inc
+++ b/doc/changes/names.inc
@@ -186,6 +186,7 @@
 .. _Leonardo Barbosa: https://github.com/noreun
 .. _Leonardo Rochael Almeida: https://github.com/leorochael
 .. _Liberty Hamilton: https://github.com/libertyh
+.. _Lifeng Qiu Lin: https://github.com/Gnefil
 .. _Lorenzo Desantis: https://github.com/lorenzo-desantis/
 .. _Lukas Breuer: https://www.researchgate.net/profile/Lukas-Breuer-2
 .. _Lukas Gemein: https://github.com/gemeinl
diff --git a/mne/utils/docs.py b/mne/utils/docs.py
index fc7d33a6f4b..ca586068a5d 100644
--- a/mne/utils/docs.py
+++ b/mne/utils/docs.py
@@ -835,10 +835,10 @@ def _reflow_param_docstring(docstring, has_first_line=True, width=75):
 """
 
 docdict["colormap"] = """
-colormap : str | np.ndarray of float, shape(n_colors, 3 | 4)
-    Name of colormap to use or a custom look up table. If array, must
-    be (n x 3) or (n x 4) array for with RGB or RGBA values between
-    0 and 255.
+colormap : str | matplotlib.colors.Colormap
+    Name of colormap to use or a custom Matplotlib colormap instance. If passing
+    a custom colormap, it must be an instance of :class:`matplotlib.colors.Colormap`
+    (e.g., :class:`matplotlib.colors.ListedColormap`).
 """
 
 _combine_template = """