remove trailing character

Trailing character m render link invalid: https://huggingface.co/etri-vilab/koala-1bm

Must be: https://huggingface.co/etri-vilab/koala-1b

Wishing you well.

README.md

@@ -27,7 +27,7 @@ tags:
 |:--|:--|
 |koala-700m | https://huggingface.co/etri-vilab/koala-700m|
 |koala-700m-llava-cap | https://huggingface.co/etri-vilab/koala-700m-llava-cap|
-|koala-1b | https://huggingface.co/etri-vilab/koala-1bm|
+|koala-1b | https://huggingface.co/etri-vilab/koala-1b|
 |koala-1b-llava-cap | https://huggingface.co/etri-vilab/koala-1b-llava-cap|