Update 4.mdx to fix wrong position of a sentence

chapters/en/chapter1/4.mdx

@@ -35,7 +35,6 @@ The [Transformer architecture](https://arxiv.org/abs/1706.03762) was introduced
 - **May 2020**, [GPT-3](https://huggingface.co/papers/2005.14165), an even bigger version of GPT-2 that is able to perform well on a variety of tasks without the need for fine-tuning (called _zero-shot learning_)
 
 - **January 2022**: [InstructGPT](https://huggingface.co/papers/2203.02155), a version of GPT-3 that was trained to follow instructions better
-This list is far from comprehensive, and is just meant to highlight a few of the different kinds of Transformer models. Broadly, they can be grouped into three categories:
 
 - **January 2023**: [Llama](https://huggingface.co/papers/2302.13971), a large language model that is able to generate text in a variety of languages.
 
@@ -45,6 +44,8 @@ This list is far from comprehensive, and is just meant to highlight a few of the
 
 - **November 2024**: [SmolLM2](https://huggingface.co/papers/2502.02737), a state-of-the-art small language model (135 million to 1.7 billion parameters) that achieves impressive performance despite its compact size, and unlocking new possibilities for mobile and edge devices.
 
+This list is far from comprehensive, and is just meant to highlight a few of the different kinds of Transformer models. Broadly, they can be grouped into three categories:
+
 - GPT-like (also called _auto-regressive_ Transformer models)
 - BERT-like (also called _auto-encoding_ Transformer models) 
 - T5-like (also called _sequence-to-sequence_ Transformer models)