diff --git a/lib/spack/spack/cmd/buildcache.py b/lib/spack/spack/cmd/buildcache.py
index 6ff8acddcb3f370fff29ed67fae5a5c38f4e1c95..dc9f736a7e49a9d589132c56e3b0d410e11ff9ff 100644
--- a/lib/spack/spack/cmd/buildcache.py
+++ b/lib/spack/spack/cmd/buildcache.py
@@ -58,7 +58,7 @@ def setup_parser(subparser):
                               " tarballs for testing")
     install.add_argument(
         'packages', nargs=argparse.REMAINDER,
-        help="specs of packages to install biuldache for")
+        help="specs of packages to install buildcache for")
     install.set_defaults(func=installtarball)
 
     listcache = subparsers.add_parser('list', help=listspecs.__doc__)