updating caption and images based on blog post v4

README.md

@@ -176,7 +176,7 @@ In the nucleus of atoms, protons and neutrons are bound together in a structure
 
 ![Multilingual evaluation](images/Multilingual_capabilities_comparison.png)
 <figure style="text-align:center;">
-    <figcaption><b>BLOOMChat surpasses other Bloom variants and state-of-the-art open chat models in cross-lingual setting</b></figcaption>
+    <figcaption><b>BLOOMChat surpasses other Bloom variants and state-of-the-art open-source chat models in translation setting</b></figcaption>
 </figure>
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