Update README.md

README.md

@@ -134,6 +134,12 @@ BGE-Reasoner-Embed-Qwen3-8B-0923 exhibits strong performance in reasoning-intens
 
 <img src="./imgs/bright-performance.png" alt="BRIGHT Performance" style="zoom:200%;" />
 
+Note:
+- "**Avg - ALL**" refers to the average performance across **all 12 datasets** in the BRIGHT benchmark.
+- "**Avg - SE**" refers to the average performance across the **7 datasets in the StackExchange subset** of the BRIGHT benchmark.
+- "**Avg - CD**" refers to the average performance across the **2 datasets in the Coding subset** of the BRIGHT benchmark.
+- "**Avg - MT**" refers to the average performance across the **3 datasets in the Theorem-based subset** of the BRIGHT benchmark.
+
 > Sources of Results:
 >
 > [1] https://arxiv.org/pdf/2407.12883