message: updated docs title for --out-name flag
diff: @@ -32,7 +32,7 @@ wasm-pack build --out-dir out
  The above command will put your build artifacts in a directory called `out`, instead
  of the default `pkg`.
  -## Output file names
  +## Generated file names
  Flag `--out-name` sets the prefix for output file names. If not provided, package name is used instead.
  