diff --git a/docs/conf.py b/docs/conf.py
index cfbe50bc6..da52efa49 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -72,9 +72,9 @@ autodoc_preserve_defaults = True
 # the class docstring.
 def remove_lines_before_parameters(app, what, name, obj, options, lines):
     if what == "class":
-        # ":" represents args values such as :param: or :raises:
+        # ":param" represents args values
         first_idx_to_keep = next(
-            (i for i, line in enumerate(lines) if line.startswith(":")), 0
+            (i for i, line in enumerate(lines) if line.startswith(":param")), 0
         )
         lines[:] = lines[first_idx_to_keep:]