diff --git a/docs/source/configuration/configuration.rst b/docs/source/configuration/configuration.rst
index 8cff9df..0d0c718 100644
--- a/docs/source/configuration/configuration.rst
+++ b/docs/source/configuration/configuration.rst
@@ -104,7 +104,7 @@ Example Configuration
         </common>
 
         <astroscene>
-            <target type="BlackBodyTarget" temp="5778" temp_unit="K" mag="10" mag_unit="mag" band="B" size="point"
+            <target type="BlackBodyTarget" temp="5778" temp_unit="K" mag="10" mag_unit="mag" band="B"
                     comment="Modeling the sun as mag 10 star. Size can be point or extended"/>
             <optical_component type="Atmosphere" transmittance="data/atmosphere/ESBO-DS_transmittance.txt"
                                emission="data/atmosphere/ESBO-DS_emission.txt" comment="Including the atmosphere"/>
diff --git a/docs/source/configuration/sensor.rst b/docs/source/configuration/sensor.rst
index 0252a9a..b15996c 100644
--- a/docs/source/configuration/sensor.rst
+++ b/docs/source/configuration/sensor.rst
@@ -28,7 +28,7 @@ The Imager sensor type allows to model a generic imaging sensor which uses a pix
             <sigma_read_out val="1.4" val_unit="electron(1/2) / pix"/>
             <well_capacity val="30000" val_unit="electron"/>
         </pixel>
-        <photometric_aperture/>
+        <photometric_aperture>
             <shape val="circle"/>
             <contained_energy val="80"/>
             <contained_pixels val="100" val_unit="pix"/>