Fix typos and list of languages used during training

app.py

@@ -140,10 +140,26 @@ sample_chooser = st.sidebar.selectbox(
 instructions_text_2 = st.sidebar.markdown("""# How to use
 
 You can choose from a list of example poems in Spanish, English, French, German,
-Chinese and Arabic, but you can also paste a poem o write it yourself!
+Chinese and Arabic, but you can also paste a poem, or write it yourself!
 
 Then click on 'Rewrite!' to do the masking and the fill-mask task on the chosen
-poem.""")
+poem.
+
+The list of languages used on the training of ALBERTI are:
+
+* Arabic
+* Chinese
+* Czech
+* English
+* Finnish
+* French
+* German
+* Hungarian
+* Italian
+* Portuguese
+* Portuguese
+* Russian
+* Spanish""")
 
 col1, col2, col3 = st.beta_columns(3)