diff --git a/README.md b/README.md
index ab867a4..b89bd5d 100644
--- a/README.md
+++ b/README.md
@@ -9,9 +9,9 @@
 
 This package is inspired by @yuin's [`goldmark`](https://github.com/yuin/goldmark) and is designed to be as clear and extensible.
 
-The implementation follows the official [Jupyter Notebook format spec](https://nbformat.readthedocs.io/en/latest/format_description.html#the-notebook-file-format) (`nbformat`) and produces an output similar to that of [`nbconvert`](https://github.com/jupyter/nbconvert) (Jupyter's team own reference implementation) both structurally and visually. 
+The implementation follows the official [Jupyter Notebook format spec](https://nbformat.readthedocs.io/en/latest/format_description.html#the-notebook-file-format) (`nbformat`) and produces an output similar to that of [`nbconvert`](https://github.com/jupyter/nbconvert) (Jupyter's team own reference implementation) both structurally and visually.
 
-Although the current release only supports `v4.4` notebooks, support for other formats will be added soon (see the [**Roadmap**](#roadmap)).    
+Although the current release only supports `v4.4` notebooks, support for other formats will be added soon (see the [**Roadmap**](#roadmap-)).  
 The package comes with an HTML renderer out of the box and can be extended to convert notebooks to other formats, such as LaTeX or PDF.
 
 > 🏗 This package is being actively developed: its structure and APIs might change overtime.  
diff --git a/convert.go b/convert.go
index b64a73f..6ec265d 100644
--- a/convert.go
+++ b/convert.go
@@ -3,8 +3,6 @@ package nb
 import (
 	"io"
 
-	_ "github.com/bevzzz/nb/schema/v4"
-
 	"github.com/bevzzz/nb/decode"
 	"github.com/bevzzz/nb/render"
 	"github.com/bevzzz/nb/render/html"
diff --git a/render/html/wrapper.go b/render/html/wrapper.go
index ff6f883..e3b186e 100644
--- a/render/html/wrapper.go
+++ b/render/html/wrapper.go
@@ -276,10 +276,10 @@ func (attrs attributes) WriteTo(w io.Writer) (n64 int64, err error) {
 		return sorted[i].Key < sorted[j].Key
 	})
 
-	// class=""
 	for _, attr := range sorted {
 		s := " "
 		if attr.IsBool {
+			// FIXME: 'continue' prevents the attribute from being written.
 			s += attr.Key
 			continue
 		}
diff --git a/render/html/wrapper_test.go b/render/html/wrapper_test.go
index 87767e0..42f0a17 100644
--- a/render/html/wrapper_test.go
+++ b/render/html/wrapper_test.go
@@ -681,7 +681,7 @@ func (n *node) cmp(other *stdhtml.Node, status *htmlDiff) {
 	}
 }
 
-// findFirst fast-forwards to the first ocurrence of the <target> node and returns it.
+// findFirst fast-forwards to the first occurrence of the <target> node and returns it.
 // If the node is not in the tree, it will return nil.
 func findFirst(n *stdhtml.Node, target string) *stdhtml.Node {
 	if n.Type == stdhtml.ElementNode && n.Data == target {
diff --git a/render/render.go b/render/render.go
index 862333c..8be3db5 100644
--- a/render/render.go
+++ b/render/render.go
@@ -13,7 +13,7 @@ type Renderer interface {
 	// Render writes the contents of the notebook cells it supports.
 	//
 	// Implementations should not error on cell types, for which no RenderCellFunc is registered.
-	// This is expected, as some [RawCells] will be renderered in some output formats and ignored in others.
+	// This is expected, as some [RawCells] will be rendered in some output formats and ignored in others.
 	//
 	// [RawCells]: https://nbformat.readthedocs.io/en/latest/format_description.html#raw-nbconvert-cells
 	Render(io.Writer, schema.Notebook) error
@@ -101,7 +101,7 @@ func (r *renderer) AddOptions(opts ...Option) {
 
 // Register registers a new RenderCellFunc for the cell type.
 //
-// Any previously registered functions will be overriden. All configurations
+// Any previously registered functions will be overridden. All configurations
 // should be done the first call to Render(), as later changes will have no effect.
 func (r *renderer) Register(t schema.CellTypeMixed, f RenderCellFunc) {
 	r.renderCellFuncsTmp[t] = f
diff --git a/schema/schema.go b/schema/schema.go
index b8c8556..a1aaffb 100644
--- a/schema/schema.go
+++ b/schema/schema.go
@@ -33,7 +33,7 @@ type Cell interface {
 	MimeType() string
 	Text() []byte
 
-	// Type will be superceeded with CellType in the following commits.
+	// Type will be superseded with CellType in the following commits.
 	Type() CellTypeMixed
 }
 
diff --git a/version.go b/version.go
new file mode 100644
index 0000000..c0ba179
--- /dev/null
+++ b/version.go
@@ -0,0 +1,11 @@
+package nb
+
+import (
+	// Currently supported nbformat versions:
+	_ "github.com/bevzzz/nb/schema/v4"
+)
+
+// Version returns current release version.
+func Version() string {
+	return "v0.1.0"
+}