diff --git a/exercises/iterators/README.md b/exercises/iterators/README.md
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+# Iterators
+
+This section will teach you about Iterators.
+
+## Further information
+
+- [Iterator](https://doc.rust-lang.org/book/ch13-02-iterators.html)
+- [Iterator documentation](https://doc.rust-lang.org/stable/std/iter/)
diff --git a/exercises/standard_library_types/README.md b/exercises/standard_library_types/README.md
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-# Standard library types
-
-This section will teach you about Box, Shared-State Concurrency and Iterators.
-
-## Further information
-
-- [Using Box to Point to Data on the Heap](https://doc.rust-lang.org/book/ch15-01-box.html)
-- [Shared-State Concurrency](https://doc.rust-lang.org/book/ch16-03-shared-state.html)
-- [Iterator](https://doc.rust-lang.org/book/ch13-02-iterators.html)
-- [Iterator documentation](https://doc.rust-lang.org/stable/std/iter/)