Update README.md

README.md

@@ -262,7 +262,7 @@ document-embedding). The training time is so close that it did not have such a l
 
 As a last step, a spreadsheet was generated for the model (xp8) with the fields opo_pre and opo_pre_tkn, containing the
 preprocessed text in sentence format and tokens, respectively. This [database](https://github.com/mcti-sefip/mcti-sefip-ppfcd2020/blob/pre-processamento/Pre_Processamento/oportunidades_final_pre_processado.xlsx) was made 
-available on the project's GitHub with the inclusion of columns {\bfseries opo_pre} (text) and \textbf{opo_pre_tkn} (tokenized)\\. 
+available on the project's GitHub with the inclusion of columns \\(\bf opo_pre)\\ (text) and \textbf{opo_pre_tkn} (tokenized)\\. 
 
 ### Pretraining