Separate independent clauses with a semicolon

Co-authored-by: classabbyamp <[email protected]>

Author: grtcdr

src/config/locales.md

@@ -1,6 +1,6 @@
 # Locales and Translations
 
-`glibc` supports setting the system locale whereas `musl` does not, both support
+`glibc` supports setting the system locale whereas `musl` does not; both support
 setting the language for applications.
 
 ## Listing locales