Update app.py

app.py

@@ -103,7 +103,7 @@ st.write(
     $$
     \begin{gathered}
     0.4 *\left(100-\frac{\text{Fleurs}+\text{MLS}+\text{VP}}{3}\right)_{(\mathrm{WER})}+ \\
-    0.4 * \text{CoVoST}-2_{(\mathrm{BLEU})}+0.2 *\left(\frac{\text{F-LID}+\text{M-14}}{2}\right)_{(\mathrm{Acc})}
+    0.4 * \text{CoVoST-2}_{(\mathrm{BLEU})}+0.2 *\left(\frac{\text{F-LID}+\text{M-14}}{2}\right)_{(\mathrm{Acc})}
     \end{gathered}
     $$
     """