issue 997

#997 : dotted notation issue

Author: ozieblo-michal

_episodes/02-numpy.md

@@ -70,9 +70,8 @@ The expression `numpy.loadtxt(...)` is a
 [function call]({{ page.root }}/reference.html#function-call)
 that asks Python to run the [function]({{ page.root }}/reference.html#function) `loadtxt` which
 belongs to the `numpy` library.
-This [dotted notation]({{ page.root }}/reference.html#dotted-notation)
-is used everywhere in Python: the thing that appears before the dot contains the thing that
-appears after.
+The dot notation in Python is used most of all as an object attribute/property specifier or for invoking its method. `object.property` will give you the object.property value,
+`object_name.method()` will invoke on object_name method.
 
 As an example, John Smith is the John that belongs to the Smith family.
 We could use the dot notation to write his name `smith.john`,