diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 85c2704..a50c4f1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -32,8 +32,9 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-      - run: cargo build --features bundled
-      - run: cargo test --features bundled
+      - run: cargo build --features bundled --workspace --all-targets
+      - run: cargo test --features bundled --workspace --all-targets
+      - run: cargo test --features bundled --workspace --doc
       - name: Static build
         if: matrix.platform.os == 'windows-latest'
         shell: cmd
diff --git a/Cargo.toml b/Cargo.toml
index 7661502..df9b2ca 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -73,6 +73,7 @@ memchr = "2.2.0"
 uuid = { version = "0.8", optional = true }
 
 [dev-dependencies]
+doc-comment = "0.3"
 tempfile = "3.1.0"
 lazy_static = "1.0"
 regex = "1.0"
diff --git a/README.md b/README.md
index 2ae1a30..9cb89e0 100644
--- a/README.md
+++ b/README.md
@@ -122,7 +122,7 @@ You can adjust this behavior in a number of ways:
   link against that. This source is embedded in the `libsqlite3-sys` crate and
   is currently SQLite 3.30.1 (as of `rusqlite` 0.21.0 / `libsqlite3-sys`
   0.17.0).  This is probably the simplest solution to any build problems. You can enable this by adding the following in your `Cargo.toml` file:
-  ```
+  ```toml
   [dependencies.rusqlite]
   version = "0.21.0"
   features = ["bundled"]
diff --git a/src/lib.rs b/src/lib.rs
index 3b05694..354a8ee 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -900,6 +900,9 @@ unsafe fn db_filename(_: *mut ffi::sqlite3) -> Option<PathBuf> {
     None
 }
 
+#[cfg(doctest)]
+doc_comment::doctest!("../README.md");
+
 #[cfg(test)]
 mod test {
     use super::*;