DOC: Fix a typo in travis.yml (#15915)

funnycrab · jorisvandenbossche · commit 1fbdc23def1c · 2017-04-06T09:07:58.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,7 +7,7 @@ python: 3.5
 # set NOCACHE-true
 # To delete caches go to https://travis-ci.org/OWNER/REPOSITORY/caches or run
 # travis cache --delete inside the project directory from the travis command line client
-# The cash directories will be deleted if anything in ci/ changes in a commit
+# The cache directories will be deleted if anything in ci/ changes in a commit
 cache:
  ccache: true
  directories:
