diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 553fd659..1c1c935f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,8 +8,8 @@ jobs:
   ci:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/cache@v3
+      - uses: actions/checkout@v4
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/yarn/v6
           key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
@@ -22,7 +22,7 @@ jobs:
   nofixups:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: git submodule update --init
       - run: COLOR=1 ./ci/sub/bin/nofixups.sh
         env:
diff --git a/.github/workflows/daily.yml b/.github/workflows/daily.yml
index 59292d4c..011f6596 100644
--- a/.github/workflows/daily.yml
+++ b/.github/workflows/daily.yml
@@ -11,8 +11,8 @@ jobs:
   ci:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/cache@v3
+      - uses: actions/checkout@v4
+      - uses: actions/cache@v4
         with:
           path: ~/.cache/yarn/v6
           key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
diff --git a/docs/tour/design.md b/docs/tour/design.md
index 6f72b7ab..dad73cea 100644
--- a/docs/tour/design.md
+++ b/docs/tour/design.md
@@ -118,7 +118,7 @@ digraph "Linux_kernel_diagram" {
 
 Imagine if you couldn't separate HTML and CSS and it all had to be inlined.
 
-Of course, good aesthetics are essential to good documentation. D2 certianly prioritizes
+Of course, good aesthetics are essential to good documentation. D2 certainly prioritizes
 aesthetics, but it must be decoupled with the content.
 
 D2 is the only language that allows you to define just nodes and edges, and import all the