diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
index 7147b0f..3ff510e 100644
--- a/.github/workflows/test-coverage.yaml
+++ b/.github/workflows/test-coverage.yaml
@@ -1,4 +1,4 @@
-# Workflow derived from https://github.com/r-lib/actions/tree/master/examples
+# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
 # Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
 on:
   push:
@@ -13,6 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
     steps:
       - uses: actions/checkout@v4
@@ -28,10 +29,12 @@ jobs:
 
       - name: Test coverage
         run: |
+          token <- Sys.getenv("CODECOV_TOKEN", "")
           covr::codecov(
             quiet = FALSE,
             clean = FALSE,
-            install_path = file.path(Sys.getenv("RUNNER_TEMP"), "package")
+            install_path = file.path(normalizePath(Sys.getenv("RUNNER_TEMP"), winslash = "/"), "package"),
+            token = if (token != "") token
           )
         shell: Rscript {0}
 
@@ -39,7 +42,7 @@ jobs:
         if: always()
         run: |
           ## --------------------------------------------------------------------
-          find ${{ runner.temp }}/package -name 'testthat.Rout*' -exec cat '{}' \; || true
+          find '${{ runner.temp }}/package' -name 'testthat.Rout*' -exec cat '{}' \; || true
         shell: bash
 
       - name: Upload test results
diff --git a/README.md b/README.md
index c4f6e9b..72e1cdf 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,7 @@ file and the `CITATION` file (if present) of your package. Note that
 **cffr** works best if your package pass
 `R CMD check/devtools::check()`.
 
-As per 2024-05-27 there are at least 249 repos on GitHub using **cffr**.
+As per 2024-05-30 there are at least 243 repos on GitHub using **cffr**.
 [Check them out
 here](https://github.com/search?q=cffr%20path%3A**%2FCITATION.cff&type=code).
 
@@ -904,8 +904,7 @@ for more info.
 
 ## References
 
-<div id="refs" class="references csl-bib-body hanging-indent"
-entry-spacing="0">
+<div id="refs" class="references csl-bib-body hanging-indent">
 
 <div id="ref-codemeta" class="csl-entry">
 
diff --git a/codecov.yml b/codecov.yml
deleted file mode 100644
index e0b7679..0000000
--- a/codecov.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-codecov:
-  token: a51a6c16-1e9f-4d0b-8961-739f4525b0ef
-
diff --git a/codemeta.json b/codemeta.json
index e13fbdb..917bfa7 100644
--- a/codemeta.json
+++ b/codemeta.json
@@ -200,7 +200,7 @@
   },
   "isPartOf": "https://ropensci.org",
   "keywords": ["attribution", "citation", "credit", "citation-files", "cff", "metadata", "r", "r-package", "citation-file-format", "rstats", "ropensci", "cran"],
-  "fileSize": "1602.18KB",
+  "fileSize": "1602.139KB",
   "citation": [
     {
       "@type": "ScholarlyArticle",
diff --git a/data/cran_to_spdx.rda b/data/cran_to_spdx.rda
index 5cbf32e..a781d11 100644
Binary files a/data/cran_to_spdx.rda and b/data/cran_to_spdx.rda differ
diff --git a/pkgdown/_pkgdown.yml b/pkgdown/_pkgdown.yml
index 0a8e8b1..1694f45 100644
--- a/pkgdown/_pkgdown.yml
+++ b/pkgdown/_pkgdown.yml
@@ -28,6 +28,10 @@ reference:
     Lists of valid keys and fields as defined by the CFF schema.json
     **(v1.2.0)**.
   contents: has_concept("schemas")
+- subtitle: Documentation
+  desc: >
+    Learn more about the `cff` class system and S3 methods implemented.
+  contents: cff_class
 - title: Additional features
 - subtitle: Coercing objects
   desc: >