diff --git a/t/00_testssl_help.t b/t/00_testssl_help.t
index 99ae17c..c38ec69 100755
--- a/t/00_testssl_help.t
+++ b/t/00_testssl_help.t
@@ -13,7 +13,7 @@ my $out="";
 
 # Try to detect remainders from debugging:
 my $debug_regexp='^(\s)*set (-|\+)x';
-# Blacklists we use to trigger an error:
+# Patterns used to trigger an error:
 my $error_regexp1='(syntax|parse) (e|E)rror';
 my $error_regexp2='testssl.sh: line';
 my $error_regexp3='bash: warning';
diff --git a/t/01_testssl_banner.t b/t/01_testssl_banner.t
index 410bca5..4566655 100755
--- a/t/01_testssl_banner.t
+++ b/t/01_testssl_banner.t
@@ -8,7 +8,7 @@ use Test::More;
 
 my $tests = 0;
 my $fileout="";
-# Blacklists we use to trigger an error:
+# Patterns used to trigger an error:
 my $error_regexp1='(syntax|parse) (e|E)rror';
 my $error_regexp2='testssl.sh: line';
 my $error_regexp3='bash: warning';
diff --git a/t/02_clientsim_txt_parsable.t b/t/02_clientsim_txt_parsable.t
index 597c922..6885ef8 100755
--- a/t/02_clientsim_txt_parsable.t
+++ b/t/02_clientsim_txt_parsable.t
@@ -8,7 +8,7 @@ use Test::More;
 
 my $tests = 0;
 my $fileout="";
-# Blacklists we use to trigger an error:
+# Patterns used to trigger an error:
 my $error_regexp1='(syntax|parse) (e|E)rror';
 my $error_regexp2='client-simulation.txt:';
 
diff --git a/t/11_baseline_ipv6_http.t.DISABLED b/t/11_baseline_ipv6_http.t.DISABLED
index 028cbea..600f00f 100755
--- a/t/11_baseline_ipv6_http.t.DISABLED
+++ b/t/11_baseline_ipv6_http.t.DISABLED
@@ -1,6 +1,6 @@
 #!/usr/bin/env perl
 
-# disabled as IPv6 wasn't supported by Travis CI and isn't by GH action, see https://github.com/testssl/testssl.sh/issues/1177
+# disabled as IPv6 wasn't supported by Travis CI and isn't also supported by GH action, see https://github.com/testssl/testssl.sh/issues/1177
 
 # Just a functional test, whether there are any problems on the client side
 # Probably we could also inspect the JSON for any problems for
@@ -10,8 +10,8 @@
 use strict;
 use Test::More;
 use Data::Dumper;
+# if JSON wlll be needed this and the lines below need to be uncommented
 # use JSON;
-# if we need JSON we need to comment this and the lines below in
 
 my $tests = 0;
 my $prg="./testssl.sh";
@@ -19,7 +19,7 @@ my $check2run ="-p -s -P --fs -S -h -U -q --ip=one --color 0";
 my $uri="";
 my $socket_out="";
 my $openssl_out="";
-# Blacklists we use to trigger an error:
+# Patterns used to trigger an error:
 my $socket_regex_bl='(e|E)rror|\.\/testssl\.sh: line |(f|F)atal|(c|C)ommand not found';
 my $openssl_regex_bl='(e|E)rror|(f|F)atal|\.\/testssl\.sh: line |Oops|s_client connect problem|(c|C)ommand not found';
 
diff --git a/t/21_baseline_starttls.t b/t/21_baseline_starttls.t
index f8109f1..0946a52 100755
--- a/t/21_baseline_starttls.t
+++ b/t/21_baseline_starttls.t
@@ -22,7 +22,7 @@ my $check2run="-q --ip=one --color 0";
 my $uri="";
 my $socket_out="";
 my $openssl_out="";
-# Blacklists we use to trigger an error:
+# Patterns used to trigger an error:
 my $socket_regex_bl='(e|E)rror|\.\/testssl\.sh: line |(f|F)atal|(c|C)ommand not found';
 my $openssl_regex_bl='(e|E)rror|(f|F)atal|\.\/testssl\.sh: line |Oops|s_client connect problem|(c|C)ommand not found';
 my $openssl_fallback_cmd="";       # empty for Linux
diff --git a/t/61_diff_testsslsh.t b/t/61_diff_testsslsh.t
index 27f683a..5e813eb 100755
--- a/t/61_diff_testsslsh.t
+++ b/t/61_diff_testsslsh.t
@@ -3,7 +3,7 @@
 # Baseline diff test against testssl.sh (csv output)
 #
 # We don't use a full run yet and only the certificate section.
-# There we would need to blacklist more, like:
+# There we would need to block-list more, like:
 # cert_serialNumber, cert_fingerprintSHA1, cert_fingerprintSHA256, cert
 # cert_expirationStatus, cert_notBefore, cert_notAfter, cert_caIssuers, intermediate_cert
 #