diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
deleted file mode 100644
index baa721a..0000000
--- a/.github/FUNDING.yml
+++ /dev/null
@@ -1 +0,0 @@
-github: [rzmk]
diff --git a/README.md b/README.md
index 183a4b3..642569c 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ czv includes libraries for Rust, Python, and WebAssembly (JavaScript and TypeScr
 ## Links
 
 -   czv GitHub repository: <https://github.com/rzmk/czv>
--   Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv))
+-   Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv)) ([docs](https://docs.rs/czv))
 -   WebAssembly (JavaScript/TypeScript): [npmjs.com/package/czv-wasm](https://www.npmjs.com/package/czv-wasm) ([source code](https://github.com/rzmk/czv/tree/main/czv-wasm))
 -   Python: [pypi.org/project/czv](https://pypi.org/project/czv/) ([source code](https://github.com/rzmk/czv/tree/main/czv-python))
 
@@ -29,8 +29,11 @@ apple,2.50
 banana,3.00
 strawberry,1.50
 ";
-    let output: usize = RowCount::new().file_data(data).execute()?;
-    println!("{output}"); // 3
+    let output: usize = RowCount::new()
+        .file_data(data)
+        .include_header_row(true)
+        .execute()?;
+    println!("{output}"); // 4
     Ok(())
 }
 ```
diff --git a/czv-python/README.md b/czv-python/README.md
index 284e5c9..db51388 100644
--- a/czv-python/README.md
+++ b/czv-python/README.md
@@ -5,7 +5,7 @@ Python library for [czv](https://github.com/rzmk/czv). czv is a library of CSV-r
 ## Links
 
 -   czv GitHub repository: <https://github.com/rzmk/czv>
--   Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv))
+-   Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv)) ([docs](https://docs.rs/czv))
 -   WebAssembly (JavaScript/TypeScript): [npmjs.com/package/czv-wasm](https://www.npmjs.com/package/czv-wasm) ([source code](https://github.com/rzmk/czv/tree/main/czv-wasm))
 -   Python: [pypi.org/project/czv](https://pypi.org/project/czv/) ([source code](https://github.com/rzmk/czv/tree/main/czv-python))
 
diff --git a/czv-python/czv.pyi b/czv-python/czv.pyi
index ed45162..775c69e 100644
--- a/czv-python/czv.pyi
+++ b/czv-python/czv.pyi
@@ -27,7 +27,7 @@ print(output) # 4
 ## Links
 
 - czv GitHub repository: <https://github.com/rzmk/czv>
-- Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv))
+- Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv)) ([docs](https://docs.rs/czv))
 - WebAssembly (JavaScript/TypeScript): [npmjs.com/package/czv-wasm](https://www.npmjs.com/package/czv-wasm) ([source code](https://github.com/rzmk/czv/tree/main/czv-wasm))
 - Python: [pypi.org/project/czv](https://pypi.org/project/czv/) ([source code](https://github.com/rzmk/czv/tree/main/czv-python))
 
diff --git a/czv-python/tests/test_count.py b/czv-python/tests/test_count.py
index c796835..e5b2f9a 100644
--- a/czv-python/tests/test_count.py
+++ b/czv-python/tests/test_count.py
@@ -2,12 +2,12 @@ import czv
 import pytest
 from .test_data import test_data
 
-class TestCountFunc:
+class TestRowCount:
     @pytest.mark.parametrize(
         "file_name,expected",
         [("fruits.csv", 3), ("constituents_altnames.csv", 33971)],
     )
-    def test_count(self, file_name, expected):
+    def test_row_count(self, file_name, expected):
         """Count the total number of non-header rows."""
 
         result = czv.row_count(file_path=test_data[file_name])
@@ -17,8 +17,19 @@ class TestCountFunc:
         "file_name,expected",
         [("fruits.csv", 4), ("constituents_altnames.csv", 33972)],
     )
-    def test_include_header_row(self, file_name, expected):
+    def test_row_count_include_header_row(self, file_name, expected):
         """Count the total number of rows including the header row."""
 
         result = czv.row_count(file_path=test_data[file_name], include_header_row=True)
         assert result == expected
+
+class TestColumnCount:
+    @pytest.mark.parametrize(
+        "file_name,expected",
+        [("fruits.csv", 2), ("constituents_altnames.csv", 6)],
+    )
+    def test_column_count(self, file_name, expected):
+        """Count the total number of columns."""
+
+        result = czv.column_count(file_path=test_data[file_name])
+        assert result == expected
diff --git a/czv-wasm/README.md b/czv-wasm/README.md
index 6e5cbde..18ef562 100644
--- a/czv-wasm/README.md
+++ b/czv-wasm/README.md
@@ -5,7 +5,7 @@ WebAssembly (JavaScript and TypeScript) library for [czv](https://github.com/rzm
 ## Links
 
 -   czv GitHub repository: <https://github.com/rzmk/czv>
--   Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv))
+-   Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv)) ([docs](https://docs.rs/czv))
 -   WebAssembly (JavaScript/TypeScript): [npmjs.com/package/czv-wasm](https://www.npmjs.com/package/czv-wasm) ([source code](https://github.com/rzmk/czv/tree/main/czv-wasm))
 -   Python: [pypi.org/project/czv](https://pypi.org/project/czv/) ([source code](https://github.com/rzmk/czv/tree/main/czv-python))
 
diff --git a/czv-wasm/examples/node-demo/sample.ts b/czv-wasm/examples/node-demo/sample.ts
index f969962..8197c19 100644
--- a/czv-wasm/examples/node-demo/sample.ts
+++ b/czv-wasm/examples/node-demo/sample.ts
@@ -1,3 +1,5 @@
+// See the README.md file in this file's folder
+// for how to run this example
 import czv from "../../pkg/czv-ts";
 
 const options: czv.RowCountOptions = {
@@ -5,6 +7,7 @@ const options: czv.RowCountOptions = {
 apple,2.50
 banana,3.00
 strawberry,1.50`,
+    include_header_row: true
 };
 
 const output: number = czv.rowCount(options);
diff --git a/czv-wasm/src/lib.rs b/czv-wasm/src/lib.rs
index 286e831..54bb076 100644
--- a/czv-wasm/src/lib.rs
+++ b/czv-wasm/src/lib.rs
@@ -29,7 +29,7 @@
 //! # Links
 //!
 //! - czv GitHub repository: <https://github.com/rzmk/czv>
-//! - Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv))
+//! - Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv)) ([docs](https://docs.rs/czv))
 //! - WebAssembly (JavaScript/TypeScript): [npmjs.com/package/czv-wasm](https://www.npmjs.com/package/czv-wasm) ([source code](https://github.com/rzmk/czv/tree/main/czv-wasm))
 //! - Python: [pypi.org/project/czv](https://pypi.org/project/czv/) ([source code](https://github.com/rzmk/czv/tree/main/czv-python))
 
diff --git a/czv-wasm/tests/count.rs b/czv-wasm/tests/count.rs
index d0b8164..7b04e7a 100644
--- a/czv-wasm/tests/count.rs
+++ b/czv-wasm/tests/count.rs
@@ -1,12 +1,12 @@
 use czv_wasm;
-use czv_wasm::count::RowCountOptions;
+use czv_wasm::count::{ColumnCountOptions, RowCountOptions};
 use czv_wasm::Result;
 use wasm_bindgen_test::*;
 wasm_bindgen_test::wasm_bindgen_test_configure!(run_in_browser);
 
 #[test]
 #[wasm_bindgen_test]
-fn basic() -> Result<()> {
+fn row_count_nonheader() -> Result<()> {
     let options = RowCountOptions {
         file_data: "fruit,price
 apple,2.00
@@ -19,3 +19,34 @@ strawberry,3.00"
     assert_eq!(result, 3);
     Ok(())
 }
+
+#[test]
+#[wasm_bindgen_test]
+fn row_count_header() -> Result<()> {
+    let options = RowCountOptions {
+        file_data: "fruit,price
+apple,2.00
+banana,1.50
+strawberry,3.00"
+            .to_string(),
+        include_header_row: Some(true),
+    };
+    let result = czv_wasm::count::row_count(options)?;
+    assert_eq!(result, 4);
+    Ok(())
+}
+
+#[test]
+#[wasm_bindgen_test]
+fn column_count() -> Result<()> {
+    let options = ColumnCountOptions {
+        file_data: "fruit,price
+apple,2.00
+banana,1.50
+strawberry,3.00"
+            .to_string(),
+    };
+    let result = czv_wasm::count::column_count(options)?;
+    assert_eq!(result, 2);
+    Ok(())
+}
diff --git a/czv/README.md b/czv/README.md
index 5b73a3c..022987f 100644
--- a/czv/README.md
+++ b/czv/README.md
@@ -5,7 +5,7 @@ Rust library for [czv](https://github.com/rzmk/czv). czv is a library of CSV-rel
 ## Links
 
 -   czv GitHub repository: <https://github.com/rzmk/czv>
--   Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv))
+-   Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv)) ([docs](https://docs.rs/czv))
 -   WebAssembly (JavaScript/TypeScript): [npmjs.com/package/czv-wasm](https://www.npmjs.com/package/czv-wasm) ([source code](https://github.com/rzmk/czv/tree/main/czv-wasm))
 -   Python: [pypi.org/project/czv](https://pypi.org/project/czv/) ([source code](https://github.com/rzmk/czv/tree/main/czv-python))
 
@@ -67,9 +67,9 @@ For benchmarks we use [criterion.rs](https://github.com/bheisler/criterion.rs).
 Licensed under either of
 
 -   Apache License, Version 2.0
-    ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
+    (http://www.apache.org/licenses/LICENSE-2.0)
 -   MIT license
-    ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
+    (http://opensource.org/licenses/MIT)
 
 at your option.
 
diff --git a/czv/src/count.rs b/czv/src/count.rs
index d00cb33..f84bb0b 100644
--- a/czv/src/count.rs
+++ b/czv/src/count.rs
@@ -207,6 +207,7 @@ impl<
         __file_path: typed_builder::Optional<Option<PathBuf>>,
     > ColumnCountBuilder<(__file_path, __file_data)>
 {
+    /// Returns the column count.
     pub fn execute(self) -> Result<usize> {
         let builder = self.__build();
         column_count(builder.file_path, builder.file_data)
diff --git a/czv/src/lib.rs b/czv/src/lib.rs
index 32e7969..fcf36c8 100644
--- a/czv/src/lib.rs
+++ b/czv/src/lib.rs
@@ -33,7 +33,7 @@
 //! # Links
 //!
 //! - czv GitHub repository: <https://github.com/rzmk/czv>
-//! - Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv))
+//! - Rust: [crates.io/crates/czv](https://crates.io/crates/czv) ([source code](https://github.com/rzmk/czv/tree/main/czv)) ([docs](https://docs.rs/czv))
 //! - WebAssembly (JavaScript/TypeScript): [npmjs.com/package/czv-wasm](https://www.npmjs.com/package/czv-wasm) ([source code](https://github.com/rzmk/czv/tree/main/czv-wasm))
 //! - Python: [pypi.org/project/czv](https://pypi.org/project/czv/) ([source code](https://github.com/rzmk/czv/tree/main/czv-python))
 
@@ -41,7 +41,7 @@
 pub mod count;
 #[doc(inline)]
 pub use count::{ColumnCount, RowCount};
-/// Extract a section of rows.
+// Extract a section of rows.
 // pub mod slice;
 // #[doc(inline)]
 // pub use slice::Slice;