diff --git a/docs/source/concepts/ComponentInfo.rst b/docs/source/concepts/ComponentInfo.rst
index 32a3b7fe406a2679bd8147b11ef2fb24773402c0..6a53f50443231b8a08593ded34142b73e5c9e838 100644
--- a/docs/source/concepts/ComponentInfo.rst
+++ b/docs/source/concepts/ComponentInfo.rst
@@ -18,7 +18,7 @@ Python Interface
 
 Examples of using ``ComponentInfo`` in python
 
-Print indices of detectors in "bank1" that are masked
+**Print indices of detectors in "bank1" that are masked**
 
 .. testcode:: show_masked_detectors_in_bank 
 
@@ -34,6 +34,10 @@ Print indices of detectors in "bank1" that are masked
        if det_info.isMasked(int(det_index)):
            print('Masked detector index of bank1 is {}'.format(det_index))
 
+Output:
+
 .. testoutput:: show_masked_detectors_in_bank
 
    Masked detector index of bank1 is 2
+
+.. categories:: Concepts
diff --git a/docs/source/concepts/DetectorInfo.rst b/docs/source/concepts/DetectorInfo.rst
index 288e2ca301db14201a675cf31b936d6bf0777a95..52e0015122d8f3e07a00bb49bafe27b5a15ed642 100644
--- a/docs/source/concepts/DetectorInfo.rst
+++ b/docs/source/concepts/DetectorInfo.rst
@@ -1,8 +1,8 @@
 .. _DetectorInfo:
 
-=============
+============
 DetectorInfo
-=============
+============
 
 .. contents::
   :local:
@@ -35,7 +35,10 @@ Example of using ``DetectorInfo`` in python
            mask_count += 1
    print('masked {} detectors'.format(mask_count))
 
+Output:
+
 .. testoutput:: mask_detectors
   
    masked 200 detectors
   
+.. categories:: Concepts