Adapted sentence for describing unprivileged CSRs

Author: francislaus

src/riscv-integration.adoc

@@ -1049,8 +1049,8 @@ include::img/stval2reg.edn[]
 
 === Unprivileged CSRs
 
-In {cheri_base_ext_name} only writing the <<utidc>> register requires
-<<pcc>> to grant <<asr_perm>>, all other unprivileged CSRs do not require
+In {cheri_base_ext_name}, the only register that requires <<asr_perm>> is <<utidc>>
+(for updates but not for reads), and all other unprivileged CSRs do not require
 <<pcc>> to grant <<asr_perm>> to access unprivileged CSRs.
 
 === CHERI Exception handling