Fix typo in travis yml argument name

KristinaRiemer · KristinaRiemer · commit f3bcc0dd01ac · 2019-06-21T11:28:12.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -11,7 +11,7 @@ script:
   
 deploy: 
   provider: pages
-  skip_clean: true
+  skip_cleanup: true
   github_token: $GITHUB_TOKEN
   keep-history: true
   on: 
