diff --git a/src/seismic_hazard_forecasting.py b/src/seismic_hazard_forecasting.py
index 1cef868..5dad4cc 100644
--- a/src/seismic_hazard_forecasting.py
+++ b/src/seismic_hazard_forecasting.py
@@ -14,7 +14,7 @@ def main(catalog_file, mc_file, pdf_file, m_file, m_select, mag_label, mc, m_max
         m_select: If True, perform an estimation of the magnitude distribution using KDE with the chosen KDE method
         mag_label: The name of the column corresponding to magnitude in the catalog. Different catalogs can have
                     different magnitude labels and sometimes more than one magnitude column. If no value is provided,
-                    then the program looks for a label of ‘Mw’ for magnitude in the catalog
+                    then the program looks for a label of 'Mw' for magnitude in the catalog
         mc: The magnitude of completeness (Mc) of the catalog
         m_max:M_max. The magnitude distribution is estimated for the range from Mc to M_max. If no value is provided,
                     then the program sets M_max to be 3 magnitude units above the maximum magnitude value in the catalog.
@@ -26,7 +26,7 @@ def main(catalog_file, mc_file, pdf_file, m_file, m_select, mag_label, mc, m_max
                     when performing the location distribution estimation.
         rate_select: If True, estimate the activity rate of the catalog using the Rbeast package.
         time_win_duration: The time window to use in estimating the activity rate. The units are specified in the
-                    ‘Time units’ input further down.
+                    'Time units' input further down.
         forecast_select: If True, forecast the seismic hazard for the time period of Forecast length and produce
                     a seismic hazard map of the selected Ground Motion Products
         custom_rate: The user has the option of providing a single value activity rate of the catalog to be used in