fix typo

Author: jwetzell

index.html

@@ -24,7 +24,7 @@ <h1>NixOS<br>Reproducible Builds</h1>
 </div>
 <p>
 When compiling from the same source on independent infrastructure
-yields bit-by-bit idential results, this gives confidence that
+yields bit-by-bit identical results, this gives confidence that
 the build infrastructure was not compromised and the artifact really
 does correspond to the source.
 </p>