Fix typo
diff --git a/README.md b/README.md
index 41e9103..d650c17 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@
- `check-yaml` - Attempts to load all yaml files to verify syntax.
- `--allow-multiple-documents` - allow yaml files which use the
[multi-document syntax](http://www.yaml.org/spec/1.2/spec.html#YAML)
- - `--unsafe` - Instaed of loading the files, simply parse them for syntax.
+ - `--unsafe` - Instead of loading the files, simply parse them for syntax.
A syntax-only check enables extensions and unsafe constructs which would
otherwise be forbidden. Using this option removes all guarantees of
portability to other yaml implementations.