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diff --git a/Creating a reference to a variable is called borrowing.md b/Creating a reference to a variable is called borrowing.md
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+[[Rust]]
+[[References are also immutable by default]]
+[[Mutable references are safe because they prevent aliasing]]
+[[Ownership]]
+[[Dereferencing is to access the data behind a pointer]]
+
+---
+
+Creating a reference is done with an ampersand. It creates a pointer to another variable in the stack, which could be a pointer to something on the heap.
+
+This is called borrowing.
+
+A reference is a non-owning pointer; so if we create a reference to a Box we can safely have it discarded and continue using the box because the heap data is not deallocated.
+\ No newline at end of file