diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index cfa7f98..dd0eb8e 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -19,9 +19,5 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Annotate locations with typos
-        uses: codespell-project/codespell-problem-matcher@v1
       - name: Codespell
         uses: codespell-project/actions-codespell@v2
-        with:
-          ignore_words_list: sortings,trough
diff --git a/pyproject.toml b/pyproject.toml
index d6a7ca1..6280068 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,4 +71,8 @@ docs = [
 skip = '.git*,pyproject.toml'
 check-hidden = true
 # ignore-regex = ''
-ignore-words-list = 'nd,gaus'
+# nd       - short for "2nd" (loop variable)
+# gaus     - short for "Gaussian"
+# sortings - plural of `Sorting` objects (variable name, not a typo for "sorting")
+# trough   - waveform trough; a real spike-sorting term (not a typo for "through")
+ignore-words-list = 'nd,gaus,sortings,trough'