diff --git a/.github/workflows/Render-Book.yaml b/.github/workflows/Render-Book.yaml
index 5ec712f..97d5e8d 100644
--- a/.github/workflows/Render-Book.yaml
+++ b/.github/workflows/Render-Book.yaml
@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup R
         uses: r-lib/actions/setup-r@v2
diff --git a/MSG-packages.bib b/MSG-packages.bib
index a493be5..4a30fd3 100644
--- a/MSG-packages.bib
+++ b/MSG-packages.bib
@@ -181,7 +181,7 @@ @Manual{Matrix
   url = {https://CRAN.R-project.org/package=Matrix},
 }
 @Manual{KernSmooth,
-  title = {KernSmooth: Functions for Kernel Smoothing Supporting Wand & Jones (1995)},
+  title = {KernSmooth: Functions for Kernel Smoothing Supporting Wand \& Jones (1995)},
   author = {Matt Wand},
   year = {2024},
   note = {R package version 2.23-24},