diff --git a/.github/workflows/check-full.yaml b/.github/workflows/check-full.yaml
index 36884035c..dc4fb8f58 100644
--- a/.github/workflows/check-full.yaml
+++ b/.github/workflows/check-full.yaml
@@ -51,10 +51,12 @@ jobs:
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
-          extra-packages: any::rcmdcheck, data.tree=?ignore-before-r=3.5.0
+          extra-packages: any::rcmdcheck
           needs: check
 
       - uses: r-lib/actions/check-r-package@v2
+        with:
+          error-on: '"note"'
         env:
           _R_CHECK_FORCE_SUGGESTS_: false
 
diff --git a/R/expr-is.R b/R/expr-is.R
index 896333912..77eb15b94 100644
--- a/R/expr-is.R
+++ b/R/expr-is.R
@@ -103,7 +103,7 @@ is_subset_expr <- function(pd) {
 #' Identify comments that are shebangs
 #'
 #' Shebangs should be preserved and no space should be inserted between
-#' \# and !. A comment is a shebang if it is the first top level token
+#' `#` and `!`. A comment is a shebang if it is the first top level token
 #' (identified with `pos_id`) and if it starts with `#!`.
 #' @param pd A parse table.
 #' @examples
diff --git a/man/is_shebang.Rd b/man/is_shebang.Rd
index 52f756769..a718d2abe 100644
--- a/man/is_shebang.Rd
+++ b/man/is_shebang.Rd
@@ -11,7 +11,7 @@ is_shebang(pd)
 }
 \description{
 Shebangs should be preserved and no space should be inserted between
-\# and !. A comment is a shebang if it is the first top level token
+\verb{#} and \code{!}. A comment is a shebang if it is the first top level token
 (identified with \code{pos_id}) and if it starts with \verb{#!}.
 }
 \examples{