Clarify descriptions

basm-std/src/platform/io/writer.rs

@@ -409,7 +409,7 @@ impl<const N: usize> Writer<N> {
         let printed = buffer.format(f);
         self.bytes(printed.as_bytes());
     }
-    /// Writes a single `char` to standard output.
+    /// Writes a single `char` to standard output, encoded as UTF-8.
     /// ```no_run
     /// writer.char('c'); // c
     /// ```
@@ -487,7 +487,7 @@ impl<const N: usize> Print<String> for Writer<N> {
     }
 }
 
-/// Writes `&String` using `Writer::Print<&str>()` and [`String::as_str()`] to standard output. Note that `print()` doesn't add a newline at the end of the output. If a newline is needed, use `println()`.
+/// Writes a single `&String` using `Writer::Print<&str>()` and [`String::as_str()`] to standard output. Note that `print()` doesn't add a newline at the end of the output. If a newline is needed, use `println()`.
 impl<const N: usize> Print<&String> for Writer<N> {
     fn print(&mut self, x: &String) {
         self.print(x.as_str());