diff --git a/.github/workflows/repro.sh b/.github/workflows/repro.sh
index debfd76..dbdf066 100755
--- a/.github/workflows/repro.sh
+++ b/.github/workflows/repro.sh
@@ -19,5 +19,5 @@ mkdir -p tools/
 wait
 
 sqlite3/download.sh   # Download SQLite
-embed/build.sh        # Build WASM
+embed/build.sh        # Build Wasm
 git diff --exit-code  # Check diffs
\ No newline at end of file
diff --git a/README.md b/README.md
index 1682770..62a1a2e 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Go module `github.com/ncruces/go-sqlite3` is `cgo`-free [SQLite](https://sqlite.
 It provides a [`database/sql`](https://pkg.go.dev/database/sql) compatible driver,
 as well as direct access to most of the [C SQLite API](https://sqlite.org/cintro.html).
 
-It wraps a [WASM](https://webassembly.org/) build of SQLite, and uses [wazero](https://wazero.io/) as the runtime.\
+It wraps a [Wasm](https://webassembly.org/) build of SQLite, and uses [wazero](https://wazero.io/) as the runtime.\
 Go, wazero and [`x/sys`](https://pkg.go.dev/golang.org/x/sys) are the _only_ runtime dependencies.
 
 ### Packages
@@ -77,7 +77,7 @@ This has benefits, but also comes with some drawbacks.
 
 #### Write-Ahead Logging
 
-Because WASM does not support shared memory,
+Because Wasm does not support shared memory,
 [WAL](https://sqlite.org/wal.html) support is [limited](https://sqlite.org/wal.html#noshm).
 
 To work around this limitation, SQLite is [patched](sqlite3/locking_mode.patch)
@@ -131,7 +131,7 @@ on Linux, macOS, Windows and FreeBSD.
 Perfomance of the [`database/sql`](https://pkg.go.dev/database/sql) driver is
 [competitive](https://github.com/cvilsmeier/go-sqlite-bench) with alternatives.
 
-The WASM and VFS layers are also tested by running SQLite's
+The Wasm and VFS layers are also tested by running SQLite's
 [speedtest1](https://github.com/sqlite/sqlite/blob/master/test/speedtest1.c).
 
 ### Alternatives
diff --git a/embed/README.md b/embed/README.md
index c7a7ca2..a9367c4 100644
--- a/embed/README.md
+++ b/embed/README.md
@@ -1,6 +1,6 @@
-# Embeddable WASM build of SQLite
+# Embeddable Wasm build of SQLite
 
-This folder includes an embeddable WASM build of SQLite 3.45.1 for use with
+This folder includes an embeddable Wasm build of SQLite 3.45.1 for use with
 [`github.com/ncruces/go-sqlite3`](https://pkg.go.dev/github.com/ncruces/go-sqlite3).
 
 The following optional features are compiled in:
diff --git a/sqlite.go b/sqlite.go
index c111c44..56ea68b 100644
--- a/sqlite.go
+++ b/sqlite.go
@@ -15,14 +15,14 @@ import (
 	"github.com/tetratelabs/wazero/api"
 )
 
-// Configure SQLite WASM.
+// Configure SQLite Wasm.
 //
-// Importing package embed initializes these
+// Importing package embed initializes [Binary]
 // with an appropriate build of SQLite:
 //
 //	import _ "github.com/ncruces/go-sqlite3/embed"
 var (
-	Binary []byte // WASM binary to load.
+	Binary []byte // Wasm binary to load.
 	Path   string // Path to load the binary from.
 
 	RuntimeConfig wazero.RuntimeConfig
@@ -274,7 +274,7 @@ func (a *arena) new(size uint64) uint32 {
 }
 
 func (a *arena) bytes(b []byte) uint32 {
-	if b == nil {
+	if (*[0]byte)(b) == nil {
 		return 0
 	}
 	ptr := a.new(uint64(len(b)))
diff --git a/sqlite3/sqlite_cfg.h b/sqlite3/sqlite_cfg.h
index c4f9305..7da18b3 100644
--- a/sqlite3/sqlite_cfg.h
+++ b/sqlite3/sqlite_cfg.h
@@ -57,8 +57,8 @@
 #define SQLITE_ENABLE_ATOMIC_WRITE
 #define SQLITE_ENABLE_BATCH_ATOMIC_WRITE
 
-// Because WASM does not support shared memory,
-// SQLite disables WAL for WASM builds.
+// Because Wasm does not support shared memory,
+// SQLite disables WAL for Wasm builds.
 // We patch SQLite to use exclusive locking mode instead.
 // https://sqlite.org/wal.html#noshm
 #undef SQLITE_OMIT_WAL