diff --git a/docs/conf.py b/docs/conf.py
index 2dcb3b4..8557e0a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -11,7 +11,7 @@
 import sys
 
 sys.path.insert(0, os.path.abspath("./"))
-sys.path.insert(0, os.path.abspath("../"))
+# sys.path.insert(0, os.path.abspath("../"))
 sys.path.append(os.path.abspath("./_ext"))
 
 # -- Project information -----------------------------------------------------
diff --git a/docs/skip_api_rules.py b/docs/skip_api_rules.py
index ebe5d63..8ff4bb8 100644
--- a/docs/skip_api_rules.py
+++ b/docs/skip_api_rules.py
@@ -24,6 +24,8 @@ def _skip_api_items(app, what, name, obj, skip, options):
         skip = True
     elif what == "module" and len(name.split(".")) > 3:
         skip = True
+    elif "add_doc_from" in name:
+        skip = True
 
     # if not skip:
     #     print(f"{what} {name}")
diff --git a/src/earthkit/meteo/thermo/thermo.py b/src/earthkit/meteo/thermo/thermo.py
index 3e0ec7b..7ba2c00 100644
--- a/src/earthkit/meteo/thermo/thermo.py
+++ b/src/earthkit/meteo/thermo/thermo.py
@@ -7,11 +7,14 @@
 # nor does it submit to any jurisdiction.
 #
 
+from earthkit.meteo.utils.docs import add_doc_from
+
 from . import array
 
 
-def celsius_to_kelvin(*args, **kwargs):
-    return array.celsius_to_kelvin(*args, **kwargs)
+@add_doc_from(array.celsius_to_kelvin)
+def celsius_to_kelvin(t):
+    return array.celsius_to_kelvin(t)
 
 
 def kelvin_to_celsius(*args, **kwargs):
diff --git a/src/earthkit/meteo/utils/docs.py b/src/earthkit/meteo/utils/docs.py
new file mode 100644
index 0000000..f9fcd5e
--- /dev/null
+++ b/src/earthkit/meteo/utils/docs.py
@@ -0,0 +1,16 @@
+# (C) Copyright 2021 ECMWF.
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation
+# nor does it submit to any jurisdiction.
+#
+
+
+def add_doc_from(func_with_doc):
+    def wrapped(func):
+        func.__doc__ = func_with_doc.__doc__
+        return func
+
+    return wrapped