CLEANUP: assorted typo fixes in the code and comments

This is 33rd iteration of typo fixes
diff --git a/reg-tests/checks/4be_1srv_health_checks.vtc b/reg-tests/checks/4be_1srv_health_checks.vtc
index 88b631a..02564be 100644
--- a/reg-tests/checks/4be_1srv_health_checks.vtc
+++ b/reg-tests/checks/4be_1srv_health_checks.vtc
@@ -7,7 +7,7 @@
 
 # This script test health-checks for four backends with one server by backend.
 # A syslog server is attached to each backend to check the syslog messages
-# in the righ order.
+# in the right order.
 
 # First, we check a health-check has passed for all the servers thanks to the syslog
 # messages. Then each server is disabled. The health-check status are checked.