Most beginning funk lessons teach two fingers: index and middle. Laboriel uses ring-middle-index for triplets. The PDF likely includes a etude titled "The Train Beat."
The file is well-organized:
The most profound concept a beginner will find in -Bass-Lesson-Abraham-Laboriel-Beginning-Funk-Bass-1.pdf is what Laboriel calls "The Omission." Funk is not about speed; it is about the absence of the root. -Bass-Lesson-Abraham-Laboriel-Beginning-Funk-Bass-1.pdf