lib/asciidoctor-epub3/packager.rb in asciidoctor-epub3-1.5.0.alpha.12 vs lib/asciidoctor-epub3/packager.rb in asciidoctor-epub3-1.5.0.alpha.13

@@ -645,11 +645,11 @@
           # This duplicates Kindlegen.run, but we want to override executable
           out, err, res = Open3.capture3(*argv) do |r|
             r.force_encoding 'UTF-8' if ::Gem.win_platform? && r.respond_to?(:force_encoding)
           end
         rescue Errno::ENOENT => e
-          raise 'Unable to run KindleGen. Either install the kindlegen gem or set KINDLEGEN environment variable with path to KindleGen executable', cause: e
+          raise 'Unable to run KindleGen. Either install the kindlegen gem or place `kindlegen` executable on PATH or set KINDLEGEN environment variable with path to it', cause: e
         end
 
         out.each_line do |line|
           logger.info line
         end
@@ -689,10 +689,10 @@
       def validate_epub epub_file, epubcheck_path
         argv = get_epubcheck_command(epubcheck_path) + ['-w', epub_file]
         begin
           out, err, res = Open3.capture3(*argv)
         rescue Errno::ENOENT => e
-          raise 'Unable to run EPUBCheck. Either install epubcheck-ruby gem or set EPUBCHECK environment variable with path to EPUBCheck executable', cause: e
+          raise 'Unable to run EPUBCheck. Either install epubcheck-ruby gem or place `epubcheck` executable on PATH or set EPUBCHECK environment variable with path to it', cause: e
         end
 
         out.each_line do |line|
           logger.info line
         end