diff --git a/tech/C++.wiki b/tech/C++.wiki
index 7788cf8..22553a3 100644
--- a/tech/C++.wiki
+++ b/tech/C++.wiki
@@ -13,7 +13,10 @@ drawbacks due to the Object abstraction.
 === Distance between two enumerators ===
 
 To find the distance between two enumerators, use `std::distance`.
-It is from the `<iterator>` header.
+It is from the `<iterator>` header. It takes two params, a begin and end
+iterator. It returns an int of the number of spaces between the two iterators.
+
+Run time is `O(n)`
 
 
 == Also See ==