diff --git a/b_asic/signal_generator.py b/b_asic/signal_generator.py
index fce18c42f592ab7bd9854e5e1a6b2c4668fed888..786b88bf852f9256d6a8efc210e73887435d9c25 100644
--- a/b_asic/signal_generator.py
+++ b/b_asic/signal_generator.py
@@ -193,7 +193,7 @@ class Gaussian(SignalGenerator):
     """
     Signal generator with Gaussian noise.
 
-    See :class:`numpy.random.Generator.normal` for further details.
+    See :py:meth:`numpy.random.Generator.normal` for further details.
 
     Parameters
     ----------
@@ -232,7 +232,7 @@ class Uniform(SignalGenerator):
     """
     Signal generator with uniform noise.
 
-    See :class:`numpy.random.Generator.normal` for further details.
+    See :py:meth:`numpy.random.Generator.normal` for further details.
 
 
     Parameters
diff --git a/docs_sphinx/conf.py b/docs_sphinx/conf.py
index f49a852c87e8ab05eabca5d79c51b08e4e7bbf6e..c0ac067d8f300c8119dcca098e25a124fa8af310 100644
--- a/docs_sphinx/conf.py
+++ b/docs_sphinx/conf.py
@@ -8,7 +8,7 @@
 import shutil
 
 project = 'B-ASIC'
-copyright = '2020-2022, Oscar Gustafsson et al'
+copyright = '2020-2023, Oscar Gustafsson et al'
 author = 'Oscar Gustafsson et al'
 html_logo = "../logo_tiny.png"
 
@@ -37,6 +37,7 @@ intersphinx_mapping = {
     'python': ('https://docs.python.org/3/', None),
     'graphviz': ('https://graphviz.readthedocs.io/en/stable/', None),
     'matplotlib': ('https://matplotlib.org/stable/', None),
+    'numpy': ('https://numpy.org/doc/stable/', None),
     'PyQt5': ("https://www.riverbankcomputing.com/static/Docs/PyQt5", None),
 }