Merge pull request #936 from szepeviktor/patch-1

pre_commit_hooks/check_yaml.py

diff --git a/pre_commit_hooks/check_yaml.py b/pre_commit_hooks/check_yaml.py
index 250794e..9563347 100644
--- a/pre_commit_hooks/check_yaml.py
+++ b/pre_commit_hooks/check_yaml.py
@@ -46,7 +46,7 @@
         '--unsafe', action='store_true',
         help=(
             'Instead of loading the files, simply parse them for syntax.  '
-            'A syntax-only check enables extensions and unsafe contstructs '
+            '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.  '
             'Implies --allow-multiple-documents'