adjust roxygen2 headers

Author: parmsam

R/list.R

@@ -2,12 +2,6 @@
 #'
 #' List Quarto Extensions in this folder or project by running `quarto list`
 #'
-#' # Extension Trust
-#'
-#' Quarto extensions may execute code when documents are rendered. Therefore, if
-#' you do not trust the author of an extension, we recommend that you do not
-#' install or use the extension.
-#'
 #' @inheritParams quarto_render
 #'
 #' @examples

R/update.R

@@ -13,7 +13,7 @@
 #'
 #' @inheritParams quarto_render
 #'
-#' @param extension The extension to install, either an archive or a GitHub
+#' @param extension The extension to update, either an archive or a GitHub
 #'   repository as described in the documentation
 #'   <https://quarto.org/docs/extensions/managing.html>.
 #'