What should I do to deal with the following sentence?

Upgrade 4 packages to Bioconductor version '3.15'? [y/n]:

> if (!require("BiocManager", quietly = TRUE))
+   install.packages("BiocManager")
trying URL 'https://cran.rstudio.com/bin/windows/contrib/4.2/BiocManager_1.30.18.zip'
Content type 'application/zip' length 360733 bytes (352 KB)
downloaded 352 KB

package ‘BiocManager’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
    C:\Users\L\AppData\Local\Temp\RtmpA7OiKC\downloaded_packages
> BiocManager::install(version = "3.15")
'getOption("repos")' replaces Bioconductor standard repositories, see '?repositories' for details

replacement repositories:
    CRAN: https://cran.rstudio.com/

Upgrade 4 packages to Bioconductor version '3.15'? [y/n]:

The dialog is asking you to type "y" followed by return if you want to upgrade the four packages or "n" followed by return if you don't. Presumably you want to type "y".