From d78c7639f9b1636ba03307d6e4cb550cdf3c3a8d Mon Sep 17 00:00:00 2001
From: Jacek Czerwonka <9115223+jaccz@users.noreply.github.com>
Date: Thu, 11 Feb 2021 21:15:14 -0800
Subject: [PATCH] Update index.md

---
 docs/index.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/index.md b/docs/index.md
index 091438f..a9fb8e8 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -12,6 +12,7 @@ There are many [tools](./tools.md) that adopted and integrated pairwise testing
 
 ### Links
 * [Pairwise testing tools](./tools.md)
+* [Comparison of tools efficiency](./efficiency.md)
 * [PICT Pairwise Test Generation tool](https://github.com/microsoft/pict)
 * [About this site](./about.md)
 
-- 
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