diff --git a/lib/rggen/core/options.rb b/lib/rggen/core/options.rb
index 853358a..7fcb56a 100644
--- a/lib/rggen/core/options.rb
+++ b/lib/rggen/core/options.rb
@@ -112,8 +112,7 @@ def define_options(parser)
       option.long_option '--plugin PLUGIN[:VERSION]'
       option.default { [] }
       option.action { |value, options| options[:plugins] << value.split(':', 2) }
-      option.description 'Load a RgGen plugin ' \
-                         "(name of plugin/path to 'setup.rb' file)"
+      option.description 'Load a RgGen plugin (specify plugin name or path)'
     end
 
     Options.add_option(:configuration) do |option|
@@ -134,7 +133,7 @@ def define_options(parser)
     Options.add_option(:load_only) do |option|
       option.long_option '--load-only'
       option.default false
-      option.description 'Load setup, configuration and register map ' \
+      option.description 'Load plugins, configuration file and register map ' \
                          'files only; write no files'
     end
 
diff --git a/spec/rggen/core/cli_spec.rb b/spec/rggen/core/cli_spec.rb
index 7adaf3e..a159021 100644
--- a/spec/rggen/core/cli_spec.rb
+++ b/spec/rggen/core/cli_spec.rb
@@ -162,10 +162,10 @@ def create_blank_file(_)
       <<~'HELP'
         Usage: rggen [options] register_map_files
                 --no-default-plugins         Do not load default plugins
-                --plugin PLUGIN[:VERSION]    Load a RgGen plugin (name of plugin/path to 'setup.rb' file)
+                --plugin PLUGIN[:VERSION]    Load a RgGen plugin (specify plugin name or path)
             -c, --configuration FILE         Specify a configuration file
             -o, --output DIRECTORY           Specify the directory where generated file(s) will be written
-                --load-only                  Load setup, configuration and register map files only; write no files
+                --load-only                  Load plugins, configuration file and register map files only; write no files
                 --enable WRITER1[,WRITER2,...]
                                              Enable only the given writer(s) to write files
                 --print-verbose-info         Print verbose information when an error occurs