Fix some minor typos
Fix some minor typos

LearningRegistry/LearningRegistry,jimklo/LearningRegistry,LearningRegistry/LearningRegistry,jimklo/LearningRegistry,jimklo/LearningRegistry,jimklo/LearningRegistry,jimklo/LearningRegistry,LearningRegistry/LearningRegistry,LearningRegistry/LearningRegistry,LearningRegistry/LearningRegistry,jimklo/LearningRegistry,jimklo/LearningRegistry,jimklo/LearningRegistry,LearningRegistry/LearningRegistry,LearningRegistry/LearningRegistry,jimklo/LearningRegistry