auth vignette: fix HTML anchor (#304)

Author: florisvdh

vignettes/articles/auth.Rmd

@@ -40,7 +40,7 @@ dat <- read_sheet(ss)
 
 As soon as googlesheets4 needs a token, it tries to discover one. If it fails, it engages with you interactively to help you get a token. Once successful, that token is remembered for subsequent use in that R session.
 
-Users can take control of auth proactively via the [`gs4_auth*()` family of functions](https://googlesheets4.tidyverse.org/reference/index.html#section-auth). Examples of what you can control or provide:
+Users can take control of auth proactively via the [`gs4_auth*()` family of functions](https://googlesheets4.tidyverse.org/reference/index.html#auth). Examples of what you can control or provide:
 
   * The email address of the Google identity you want to use.
   * Whether to cache tokens and where.