Fixed spelling error
diff --git a/binding.gyp b/binding.gyp
index ed7fc75..392835c 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -42,7 +42,7 @@
   },
   # TODO: Finish windows support
   'target_defaults': {
-      # Emperically, Node only exports ALPN symbols if its major version is >0.
+      # Empirically, Node only exports ALPN symbols if its major version is >0.
       # io.js always reports versions >0 and always exports ALPN symbols.
       # Therefore, Node's major version will be truthy if and only if it
       # supports ALPN. The output of "node -v" is v[major].[minor].[patch],