fix comment issues

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index bf5d9db..3e199e2 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -405,7 +405,7 @@
     fi
 }
 
-# check %NO_TICKETS option
+# Check %NO_TICKETS option
 requires_gnutls_next_no_ticket() {
     requires_gnutls_next
     if [ "$GNUTLS_NEXT_AVAILABLE" = "NO" ]; then
@@ -424,7 +424,7 @@
     fi
 }
 
-# check %%DISABLE_TLS13_COMPAT_MODE option
+# Check %DISABLE_TLS13_COMPAT_MODE option
 requires_gnutls_next_disable_tls13_compat() {
     requires_gnutls_next
     if [ "$GNUTLS_NEXT_AVAILABLE" = "NO" ]; then
@@ -8627,7 +8627,7 @@
             -c "TLS 1.3" \
             -s "TLS 1.3"
 
-# gnutls feature tests: check if tls1.3,NO_TICKETS and DISABLE_TLS13_COMPAT_MODE exist.
+# gnutls feature tests: check if TLS 1.3 is supported as well as the NO_TICKETS and DISABLE_TLS13_COMPAT_MODE options.
 requires_gnutls_tls1_3
 requires_gnutls_next_no_ticket
 requires_gnutls_next_disable_tls13_compat