diff --git a/README.md b/README.md
index 71a3cd5fda0670130228a33334037dda95261d81..5546bce87906a2cd3a2e751c3b5c723cab2189a6 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ To check a server manually go to [SSL Server Test](https://www.ssllabs.com/sslte
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 ### Acnowlegement
 
-This plugin is based based on the ssllabs plugin from Karsten Schoeke (karsten[dot]schoeke[at]geobasis-bb[dot]de) see [ssllabs api check](https://exchange.checkmk.com/p/ssllabs) on the CheckMK exchange.
+This plugin is based on the ssllabs plugin from Karsten Schoeke (karsten[dot]schoeke[at]geobasis-bb[dot]de) see [ssllabs api check](https://exchange.checkmk.com/p/ssllabs) on the CheckMK exchange.
 
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 ### Check Info: