Update README.md

README.md

@@ -68,10 +68,10 @@ In the following table, we provide all models [🤗 link] of the TokenOCR series
 
 |        Model Name         |                                Description                                |
 | :-----------------------: | :-------------------------------------------------------------------: |
-| TokenOCR-4096-English |  |
-|  TokenOCR-4096-Chinese  |    |
-|  TokenOCR-2048-Bilingual  |    |
-| TokenOCR-4096-English-seg |  |
+| TokenOCR-4096-English | feature dimension is 4096; support interactive with English texts.|
+|  TokenOCR-4096-Chinese  |  feature dimension is 4096; support interactive with Chinese texts.  |
+|  TokenOCR-2048-Bilingual  |  feature dimension is 4096; support interactive with English and Chinese texts. |
+| TokenOCR-4096-English-seg |  On `TokenOCR-4096-English`, background noise is filtered out. |
 
 ### Quick Start