fix wording

Signed-off-by: Simon Bein <simontheleg@gmail.com>

testdata/openssl.conf

@@ -12,7 +12,7 @@ default_days = 3650
 default_md = sha256
 policy = policy_anything
 copy_extensions = copy
-# don't make subjects unique, as we generate two certificates using the same subject line
+# don't require unique subjects, as we generate two certificates using the same subject line
 unique_subject    = no
 
 [policy_anything]
@@ -46,3 +46,4 @@ commonName_default                 = helm.sh
 # [alternate_names]
 # This is now set in generate.sh as we want to generate two certs from this config
 # using different alternate_names
+