diff --git a/configs/config_example.py b/configs/config_example.py
index afaaee88247f02a8e7f01d52aa27b44ce4e8b66e..576bb10d9730081703aa57723a96ab4ad6410f07 100644
--- a/configs/config_example.py
+++ b/configs/config_example.py
@@ -61,10 +61,15 @@ HARDWARE_CONFIG = {
     Parameters
     ----------
     'ctl': dict
-           contains informationb related to controller unit with the following keys:
-           * 'model': string, model type of the controller. Currently only 'raspberry_pi"
+           Describing the controller unit with the following keys:
+            * 'model': string
+                       model type of the controller. Currently only 'raspberry_pi"
     'pwr': dict
-            'model': string, model type of the power module. 'pwr_batt', 'pwr_dps5005"
+           Describing the power module with the following keys:
+            * 'model': string, 
+                       model type of the power module. 'pwr_batt', 'pwr_dps5005"
+            * 'voltage': float
+                       default voltage of the
 '''
 
 
diff --git a/doc/source/source_rst/software/operations/config.rst b/doc/source/source_rst/software/operations/config.rst
index 02c0a6272c0b4038a11bba7f71744f2a9b31d574..4d06aaf6055a4fc08d78ff4debcfe4aa04f74bda 100644
--- a/doc/source/source_rst/software/operations/config.rst
+++ b/doc/source/source_rst/software/operations/config.rst
@@ -204,4 +204,4 @@ The configuration is written in a python file structured in a series of dictiona
    :maxdepth: 2
    :caption: Contents:
 
-.. autofunction:: HARDWARE_CONFIG
+.. autofunction:: congifs.config_example.HARDWARE_CONFIG