Fix typos

src/prompts/input.rs

@@ -107,7 +107,7 @@ impl<T> Input<'_, T> {
     /// The default behaviour is to append [`default`](#method.default) to the prompt to tell the
     /// user what is the default value.
     ///
-    /// This method does not affect existance of default value, only its display in the prompt!
+    /// This method does not affect existence of default value, only its display in the prompt!
     pub fn show_default(&mut self, val: bool) -> &mut Self {
         self.show_default = val;
         self

src/theme.rs

@@ -707,7 +707,7 @@ impl Theme for ColorfulTheme {
     }
 }
 
-/// Helper struct to conveniently render a theme ot a term.
+/// Helper struct to conveniently render a theme of a term.
 pub(crate) struct TermThemeRenderer<'a> {
     term: &'a Term,
     theme: &'a dyn Theme,