Update README.md

Use suggested code edit.

Co-authored-by: Vincent Rischmann <[email protected]>

Author: JudsenAtFlexgen

README.md

@@ -228,7 +228,9 @@ const row = try stmt.one(
     .{ .id = 20 },
 );
 if (row) |r| {
-    std.log.debug("name: {}, age: {}", .{std.mem.span((&row.name).ptr), row.age});
+    const name_ptr: [*:0]const u8 = &r.name;
+    std.log.debug("name: {s}, age: {}", .{ std.mem.span(name_ptr), r.age });
+}
 }
 ```
 Notice that to read text we need to use a 0-terminated array; if the `name` column is bigger than 127 bytes the call to `one` will fail.