Merge pull request #1 from Silicon-Ally/grady/edits

Example, Typo, Attribution Tweak

README.md

@@ -1,11 +1,35 @@
-_This package brought to you by [Adventure
-Scientists](https://adventurescientists.org). Read more about [our open source
-policy here](https://siliconally.org/policies/open-source/)._
+_This package was developed by [Silicon Ally](https://siliconally.org) while
+working on a project for  [Adventure Scientists](https://adventurescientists.org).
+Many thanks to Adventure Scientists for supporting [our open source
+mission](https://siliconally.org/policies/open-source/)!_
 
 # idgen
 
 [![GoDoc](https://pkg.go.dev/badge/github.com/Silicon-Ally/idgen?status.svg)](https://pkg.go.dev/github.com/Silicon-Ally/idgen?tab=doc)
 
-`idegen` is a simple, zero-dependency Go library for generating random
+`idgen` is a simple, zero-dependency Go library for generating random
 identifiers. It is useful in places where one might want a UUID-like
-identifier, but shorter or with more entropy.
+identifier, but want to customize length or allowed characters. 
+
+## Usage
+
+```golang
+
+import "github.com/Silicon-Ally/idgen"
+
+...
+// For security-sensitive applications, use a cryptographically secure rand
+// source, like https://github.com/Silicon-Ally/cryptorand for example.
+r := rand.New(rand.NewSource(12345))
+
+// Initialize generator with your ID requirements...
+generator, err := idgen.New(r, idgen.WithDefaultLength(12), idgen.WithCharSet("abcdef0123456789")) 
+if err != nil {
+    return nil, fmt.Error("initializing id generator: %w", err)
+}
+
+// Generate IDs!
+idA := g.NewID()
+idB := g.NewID()
+...
+```

idgen.go

@@ -28,7 +28,7 @@ type Generator struct {
 type Option func(*options)
 
 // WithCharSet specifies the set of characters to use when generating random
-// identifiers. If not provided, identifiers default to alphanumerics.
+// identifiers. If not provided, identifiers default to case-sensitive alphanumerics.
 func WithCharSet(charSet []rune) Option {
 	return func(opts *options) {
 		opts.charSet = charSet