Apply suggestions from code review

Co-authored-by: Johel Ernesto Guerrero Peña <[email protected]>

Author: jensmaurer

source/strings.tex

@@ -4211,7 +4211,7 @@
 unless otherwise specified.
 
 \pnum
-\tcode{basic_string_view<charT,traits>} is a trivially copyable type.
+\tcode{basic_string_view<charT, traits>} is a trivially copyable type.
 
 \rSec3[string.view.cons]{Construction and assignment}