Apply suggestions from review

Co-authored-by: Ved Shanbhogue <91900059+ved-rivos@users.noreply.github.com>
Signed-off-by: Ravi Sahita <rsahita@yahoo.com>

chapter8.adoc

@@ -73,7 +73,7 @@ accesses by instructions executed in Debug Mode cannot use `M-mode`
 privilege. When `medbgen` is 0 and `MSDCFG.sdedbgalw` is also 0, the `M-mode`
 root domain security manager must not configure triggers with `action=1`.
 Triggers for the supervisor domain must be controlled by the root
-domain security manager to prevent any leakage of information across security
+domain security manager to prevent leakage of information across security
 domains.
 
 === `Smsdetrc`: External Trace allowed control for Supervisor Domain
@@ -103,7 +103,7 @@ It is described in this specification as informational.
 The `metrcen` is an enable control for external trace for the `M-mode` driven by
 an external trace module and is expected to be established by the RoT (following
 RISC-V security model recommendations SR_GEN_007 and 012). When privilege is
-`M-mode`, the `metrcen` gates the `halted` signal (from the hart) into the hart
+`M-mode`, the `metrcen` determines the state of the `halted` side band signal sent by the hart to the
 trace encoder. Per the Efficient trace specification cite:[Etrc], this side-band
 `halted` signal being asserted, stops subsequent tracing from the hart. On this
 signal being deasserted, the encode can start tracing again.