diff --git a/basics/basics.tex b/basics/basics.tex
index e4211a19404e88c0e655b95ea0cd45db70f1e879..d1c30a630dba8855ed2e9d04a657231b4ad13812 100644
--- a/basics/basics.tex
+++ b/basics/basics.tex
@@ -228,7 +228,7 @@
   \bigskip
   \pause
 
-  You can also use an unique prefix of this hash, usually six characters is
+  You can also use a unique prefix of this hash, usually six characters is
   enough.
 \end{frame}