diff --git a/docs/gsoc2025/ideas.md b/docs/gsoc2025/ideas.md
index 94a5f497..97632fae 100644
--- a/docs/gsoc2025/ideas.md
+++ b/docs/gsoc2025/ideas.md
@@ -14,15 +14,16 @@ Community users have reported that there is no convenient way to debug python ap
 
 This project aims to develop a VSCode plugin like [Python Debugger](https://marketplace.visualstudio.com/items?itemName=ms-python.debugpy), which implements DAP for pocketpy. With this plugin, users can launch their pocketpy applications in VSCode with breakpoints, call stacks, and variable inspection. Students with experience in TypeScript will be helpful for this project.
 
-### Develop `cTensor` library for neural networks
+### Develop math operators for `cTensor` library
 
 + Difficulty Level: 4/5 (Hard)
 + Skill: C; Further Mathematics
 + Project Length: Medium
 
-pocketpy is planning to provide a tensor library `cTensor` for users who want to integrate neural networks into their applications. `cTensor` implements automatic differentiation and dynamic compute graph. It allows users to train and deploy neural networks on client-side devices like mobile phones and microcontrollers (e.g. ESP32-C3). We have a early prototype located at [pocketpy/cTensor](https://github.com/pocketpy/cTensor).
+pocketpy is providing a tensor library `cTensor` for users who want to integrate neural networks into their applications. `cTensor` implements automatic differentiation and dynamic compute graph. It allows users to train and deploy neural networks on client-side devices like mobile phones and microcontrollers (e.g. ESP32-C3). We have a runable prototype located at [pocketpy/cTensor](https://github.com/pocketpy/cTensor). But math operators have not been implemented yet.
 
-In this project, students will help develop and test the `cTensor` library, which is written in C11. We expect students to have a good understanding of further mathematics and C programming.
+In this project, students will develop forward and backward math operators, as well as basic neural network layers and optimizers (e.g. SGD, Adam). The project is written in C11.
+We expect students to have a good understanding of further mathematics and C programming.
 
 > This year we also accept custom project ideas. If you are not interested in the above, you can propose your own idea and contact me via `blueloveth@foxmail.com`. We will discuss the feasibility and mentorship for your idea.