diff --git a/guide/english/mathematics/congruent/index.md b/guide/english/mathematics/congruent/index.md
index df749eb49e..696f3eb9d4 100644
--- a/guide/english/mathematics/congruent/index.md
+++ b/guide/english/mathematics/congruent/index.md
@@ -18,6 +18,7 @@ Interestingly, dilating a shape by a certain scale figure will not produce congr
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 #### More Information:
-[Here's a guide](https://www.mathsisfun.com/geometry/congruent.html) to information about producing congruent shapes
+- [Here's a guide](https://www.mathsisfun.com/geometry/congruent.html) to information about producing congruent shapes
+- [Congruent Shapes](https://sciencing.com/congruent-shapes-8503883.html)