fix minor typos

app.py

@@ -43,7 +43,7 @@ very close. The calculator can be found [here](https://www.brutto-netto-rechner.
 # Conclusion
 
 - Some minor and complex tax deductions were not taken into account. 
-- **Based on the estimations above and my desire to earn around 4000-4500 Euro, after tax, a month, 
+- **Based on the estimations above and my desire to earn around 4000-4500 Euro after tax a month, 
 the projected self-employed salary would be around 160K-180K Euro a year.**
 """
 
@@ -61,4 +61,4 @@ iface = gr.Interface(
 )
 
 # Launch the app.
-iface.launch(share=True)
+iface.launch()