Editorial change: using commas for number

Author: gusthoff

content/courses/advanced-ada/parts/data_types/types_representation.rst

@@ -428,7 +428,7 @@ well as with actual objects of that data type. Therefore, we can write
 :ada:`UInt_7_Array'Component_Size` and :ada:`Arr_1'Component_Size`, for
 example.
 
-This big number (17179869176 bits) for :ada:`UInt_7_Array'Size` and
+This big number (17,179,869,176 bits) for :ada:`UInt_7_Array'Size` and
 :ada:`UInt_7_Array'Object_Size` might be surprising for you. This is due to the
 fact that Ada is reporting the size of the :ada:`UInt_7_Array` type for the
 case when the complete range is used. Considering that we specified a positive