diff --git a/Documentation.md b/Documentation.md
index 53005f6..863cc6f 100644
--- a/Documentation.md
+++ b/Documentation.md
@@ -26,4 +26,5 @@ ProjectLaogai uses the following librarys
 * FareBot part for desfire cards: https://github.com/codebutler/farebot
 * Gson: https://github.com/google/gson
 * Jsoup: https://jsoup.org/
-* kotlin.coroutines: https://github.com/Kotlin/kotlinx.coroutines
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+* kotlin.coroutines: https://github.com/Kotlin/kotlinx.coroutines
+* Material design icons: https://github.com/google/material-design-icons
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