diff --git a/core/templates/local_vector.h b/core/templates/local_vector.h
index 80d67676dc..1feaa3f673 100644
--- a/core/templates/local_vector.h
+++ b/core/templates/local_vector.h
@@ -193,7 +193,8 @@ public:
 	/// Resize and set all values to 0 / false / nullptr.
 	_FORCE_INLINE_ void resize_initialized(U p_size) { _resize<true>(p_size); }
 
-	/// Resize and set all values to 0 / false / nullptr.
+	/// Resize and keep memory uninitialized.
+	/// This means that any newly added elements have an unknown value, and are expected to be set after the `resize_uninitialized` call.
 	/// This is only available for trivially destructible types (otherwise, trivial resize might be UB).
 	_FORCE_INLINE_ void resize_uninitialized(U p_size) { _resize<false>(p_size); }
 
diff --git a/core/templates/vector.h b/core/templates/vector.h
index 562fdc8107..9d12aea070 100644
--- a/core/templates/vector.h
+++ b/core/templates/vector.h
@@ -114,7 +114,8 @@ public:
 		return _cowdata.template resize<true>(p_size);
 	}
 
-	/// Resize and set all values to 0 / false / nullptr.
+	/// Resize and keep memory uninitialized.
+	/// This means that any newly added elements have an unknown value, and are expected to be set after the `resize_uninitialized` call.
 	/// This is only available for trivially destructible types (otherwise, trivial resize might be UB).
 	_FORCE_INLINE_ Error resize_uninitialized(Size p_size) {
 		// resize() statically asserts that T is compatible, no need to do it ourselves.