fix section numbers

README.md

@@ -8,9 +8,9 @@ This repository contains R Markdown notebooks implementing the code samples foun
 | Description | Notebook | Source Code
 | ------------- | ------------- | ------------- |
 | 2.1: A first look at a neural network | [Notebook (HTML)](https://jjallaire.github.io/deep-learning-with-r-notebooks/notebooks/2.1-a-first-look-at-a-neural-network.nb.html) | [R Markdown (Rmd)](notebooks/2.1-a-first-look-at-a-neural-network.Rmd)  |
-| 3.5: Classifying movie reviews: a binary classification example | [Notebook (HTML)](https://jjallaire.github.io/deep-learning-with-r-notebooks/notebooks/3.5-classifying-movie-reviews.nb.html) | [R Markdown (Rmd)](notebooks/3.5-classifying-movie-reviews.Rmd)  |
-| 3.6: Classifying newswires: a multi-class classification example | [Notebook (HTML)](https://jjallaire.github.io/deep-learning-with-r-notebooks/notebooks/3.6-classifying-newswires.nb.html) | [R Markdown (Rmd)](notebooks/3.6-classifying-newswires.Rmd)  |
-| 3.7: Predicting house prices: a regression example | [Notebook (HTML)](https://jjallaire.github.io/deep-learning-with-r-notebooks/notebooks/3.7-predicting-house-prices.nb.html) | [R Markdown (Rmd)](notebooks/3.7-predicting-house-prices.Rmd)  |
+| 3.4: Classifying movie reviews: a binary classification example | [Notebook (HTML)](https://jjallaire.github.io/deep-learning-with-r-notebooks/notebooks/3.4-classifying-movie-reviews.nb.html) | [R Markdown (Rmd)](notebooks/3.5-classifying-movie-reviews.Rmd)  |
+| 3.5: Classifying newswires: a multi-class classification example | [Notebook (HTML)](https://jjallaire.github.io/deep-learning-with-r-notebooks/notebooks/3.5-classifying-newswires.nb.html) | [R Markdown (Rmd)](notebooks/3.6-classifying-newswires.Rmd)  |
+| 3.6: Predicting house prices: a regression example | [Notebook (HTML)](https://jjallaire.github.io/deep-learning-with-r-notebooks/notebooks/3.6-predicting-house-prices.nb.html) | [R Markdown (Rmd)](notebooks/3.7-predicting-house-prices.Rmd)  |
 | 4.4: Overfitting and underfitting | [Notebook (HTML)](https://jjallaire.github.io/deep-learning-with-r-notebooks/notebooks/4.4-overfitting-and-underfitting.nb.html) | [R Markdown (Rmd)](notebooks/4.4-overfitting-and-underfitting.Rmd)  |
 | 5.1: Introduction to convnets | [Notebook (HTML)](https://jjallaire.github.io/deep-learning-with-r-notebooks/notebooks/5.1-introduction-to-convnets.nb.html) | [R Markdown (Rmd)](notebooks/5.1-introduction-to-convnets.Rmd)  |
 | 5.2: Using convnets with small datasets | [Notebook (HTML)](https://jjallaire.github.io/deep-learning-with-r-notebooks/notebooks/5.2-using-convnets-with-small-datasets.nb.html) | [R Markdown (Rmd)](notebooks/5.2-using-convnets-with-small-datasets.Rmd)  |