fixed typo for oauth_app parameter- secret

fixed typo for oauth_app parameter- secret

Author: shetaa

3_GETDATA/Getting and Cleaning Data Course Notes.Rmd

@@ -293,7 +293,7 @@ $\pagebreak$
     * each row corresponds to a line of the data you received
 * **GitHub example ([tutorial](https://github.com/hadley/httr/blob/master/demo/oauth2-github.r))**:
     * `library(httr)`
-    * `myapp <- oauth_app("github", key = "clientID", secrete = "clientSecret")`
+    * `myapp <- oauth_app("github", key = "clientID", secret = "clientSecret")`
 		* an application must be registered with GitHub first to generate the client ID and secrets
     * `github_token <- oauth2.0_token(oauth_endpoints("github"), myapp)`
 		* `oauth_endpoints()` = returns the the authorize/access url/endpoints for some common web applications (GitHub, Facebook, google, etc)