fix: update topic content

Author: cepjant

src/data/roadmaps/python/content/dictionaries@bc9CL_HMT-R6nXO1eR-gP.md

@@ -1,6 +1,6 @@
 # Dictionaries
 
-In Python, a dictionary is a built-in data type that allows you to store key-value pairs. Each key in the dictionary is unique, and each key is associated with a value. Dictionaries are unordered collections, meaning the order of items is not guaranteed.
+In Python, a dictionary is a built-in data type that allows you to store key-value pairs. Each key in the dictionary is unique, and each key is associated with a value. Starting from Python 3.7, dictionaries maintain the order of items as they were added.
 
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