Prefer single-quoted strings inside interpolations.

2 files changed, 2 insertions, 2 deletions

diff --git a/lib/custodian/protocoltest/dns.rb b/lib/custodian/protocoltest/dns.rb
index c544b38..8d47e14 100644
--- a/lib/custodian/protocoltest/dns.rb
+++ b/lib/custodian/protocoltest/dns.rb
@@ -115,7 +115,7 @@ module Custodian
         #
 
         if  !(results - @resolve_expected).empty? or !(@resolve_expected - results).empty? 
-          @error = "DNS server *#{@host}* (#{@server_ip}) returned the wrong records for @#{resolve_name} IN #{resolve_type}@.\n\nWe expected '#{resolve_expected.join(",")}', but we received '#{results.join(",")}'\n"
+          @error = "DNS server *#{@host}* (#{@server_ip}) returned the wrong records for @#{resolve_name} IN #{resolve_type}@.\n\nWe expected '#{resolve_expected.join(',')}', but we received '#{results.join(',')}'\n"
         end
 
         @error.nil?
diff --git a/lib/custodian/protocoltest/http.rb b/lib/custodian/protocoltest/http.rb
index 665e789..c43aee3 100644
--- a/lib/custodian/protocoltest/http.rb
+++ b/lib/custodian/protocoltest/http.rb
@@ -317,7 +317,7 @@ module Custodian
 
         # uh-oh! Resolution failed on both protocols!
         if resolution_errors.length > 1
-          errors << "Hostname did not resolve for #{resolution_errors.join(", ")}"
+          errors << "Hostname did not resolve for #{resolution_errors.join(', ')}"
         end
 
         if errors.length > 0