diff --git a/src/IterTools.jl b/src/IterTools.jl
index 3bb21a8..4aebd1a 100644
--- a/src/IterTools.jl
+++ b/src/IterTools.jl
@@ -261,9 +261,9 @@ end
 
 # Group output from at iterator into tuples.
 # E.g.,
-#   partition(count(1), 2) = (1,2), (3,4), (5,6) ...
-#   partition(count(1), 2, 1) = (1,2), (2,3), (3,4) ...
-#   partition(count(1), 2, 3) = (1,2), (4,5), (7,8) ...
+#   partition(Iterators.countfrom(), 2) = (1,2), (3,4), (5,6) ...
+#   partition(Iterators.countfrom(), 2, 1) = (1,2), (2,3), (3,4) ...
+#   partition(Iterators.countfrom(), 2, 3) = (1,2), (4,5), (7,8) ...
 
 struct Partition{I, N, K}
     xs::I