Fix docs

README.md

@@ -255,7 +255,7 @@ the same name capitalized (example: `int` becomes `Int`).
 
 If the generator name is composed by multiple words joined by dots, then the
 function name is again capitalized by the first letter of the word and joined
-together (example: `product.name` becomes `Product.Name`).
+together (example: `product.name` becomes `ProductName`).
 
 Each generator with [constraints](#constraints) is available in templates as a
 function that takes arguments.
@@ -361,7 +361,7 @@ For example, to display a full name in the format `Lastname Firstname` instead
 of `Firstname Lastname`.
 
 ```html
-{{ printf "%s %s" Name.Last Name.First }}
+{{ printf "%s %s" NameLast NameFirst }}
 ```
 
 ## Completion

pkg/fakedata/template.go

@@ -51,8 +51,8 @@ func (tf templateFactory) getFunctions() template.FuncMap {
 	c := cases.Title(language.English)
 
 	for _, gen := range tf.factory.generators {
-		name := strings.Replace(c.String(strings.Replace(gen.Name, ".", " ", -1)), " ", "", -1)
 		if !gen.IsCustom() {
+			name := strings.Replace(c.String(strings.Replace(gen.Name, ".", " ", -1)), " ", "", -1)
 			funcMap[name] = gen.Func
 		}
 	}