Small default-letter improvements

writing.py

@@ -17,7 +17,7 @@ class CLForm(Form):
     username = StringField(
         'Username:',
         [validators.Length(min=4, max=99)],
-        default="Sage Bernerner"
+        default="Sage V."
     )
     company = StringField(
         'Company:',
@@ -46,7 +46,7 @@ class CLForm(Form):
     )
 
     body_string = (
-        "My name is {\\username}. I would like to work as "
+        "My name is {\\username}. I 'm excited for the opportunity to work as "
         "{\\jobandpronoun} with your company.  I think my {\\skilltypes} knowledge "
         "of {\\myskills} can contribute a lot to your team.\n\n"