diff --git a/.github/workflows/check-docs.yml b/.github/workflows/check-docs.yml
new file mode 100644
index 00000000..93584b80
--- /dev/null
+++ b/.github/workflows/check-docs.yml
@@ -0,0 +1,23 @@
+name: Check documentation
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+  RUSTDOCFLAGS: '--cfg docsrs -D warnings'
+
+jobs:
+  # We test documentation using nightly to match docs.rs.
+  check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: Swatinem/rust-cache@v2
+    - name: Install nightly Rust
+      run: rustup default nightly
+    - name: Check docs
+      run: cargo doc --workspace --no-deps --document-private-items
diff --git a/fidget/src/lib.rs b/fidget/src/lib.rs
index 4770b9b1..ab7b9260 100644
--- a/fidget/src/lib.rs
+++ b/fidget/src/lib.rs
@@ -262,6 +262,7 @@
 //!
 //! # Feature flags
 #![doc = document_features::document_features!()]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 #![warn(missing_docs)]
 
 // Re-export everything from fidget::core into the top-level namespace
diff --git a/fidget/src/render/config.rs b/fidget/src/render/config.rs
index 338545c4..4ad43769 100644
--- a/fidget/src/render/config.rs
+++ b/fidget/src/render/config.rs
@@ -81,7 +81,7 @@ pub struct ImageRenderConfig {
     /// Tile sizes to use during evaluation.
     ///
     /// You'll likely want to use
-    /// [`RenderHints::tile_sizes_2d`](crate::shape::RenderHints::tile_sizes_2d)
+    /// [`RenderHints::tile_sizes_2d`](crate::render::RenderHints::tile_sizes_2d)
     /// to select this based on evaluator type.
     pub tile_sizes: TileSizes,
 
@@ -130,7 +130,7 @@ pub struct VoxelRenderConfig {
     /// Tile sizes to use during evaluation.
     ///
     /// You'll likely want to use
-    /// [`RenderHints::tile_sizes_3d`](crate::shape::RenderHints::tile_sizes_3d)
+    /// [`RenderHints::tile_sizes_3d`](crate::render::RenderHints::tile_sizes_3d)
     /// to select this based on evaluator type.
     pub tile_sizes: TileSizes,