Merge pull request #8407 from kennyj/fix_profiler_comments

Fix wrong doc and message about rails profiler.

2 files changed, 3 insertions, 3 deletions

diff --git a/guides/source/performance_testing.md b/guides/source/performance_testing.md
index b84c5d1732..a07f64ec29 100644
--- a/guides/source/performance_testing.md
+++ b/guides/source/performance_testing.md
@@ -559,9 +559,9 @@ Usage: rails profiler 'Ruby.code' 'Ruby.more_code' ... [OPTS]
                                      Default: 1
     -o, --output PATH                Directory to use when writing the results.
                                      Default: tmp/performance
-        --metrics a,b,c              Metrics to use.
+    -m, --metrics a,b,c              Metrics to use.
                                      Default: process_time,memory,objects
-    -m, --formats x,y,z              Formats to output to.
+    -f, --formats x,y,z              Formats to output to.
                                      Default: flat,graph_html,call_tree
 ```
 
diff --git a/railties/lib/rails/commands/profiler.rb b/railties/lib/rails/commands/profiler.rb
index 3f6966b4f0..315bcccf61 100644
--- a/railties/lib/rails/commands/profiler.rb
+++ b/railties/lib/rails/commands/profiler.rb
@@ -8,7 +8,7 @@ def options
   defaults = ActiveSupport::Testing::Performance::DEFAULTS
 
   OptionParser.new do |opt|
-    opt.banner = "Usage: rails benchmarker 'Ruby.code' 'Ruby.more_code' ... [OPTS]"
+    opt.banner = "Usage: rails profiler 'Ruby.code' 'Ruby.more_code' ... [OPTS]"
     opt.on('-r', '--runs N', Numeric, 'Number of runs.', "Default: #{defaults[:runs]}") { |r| options[:runs] = r }
     opt.on('-o', '--output PATH', String, 'Directory to use when writing the results.', "Default: #{defaults[:output]}") { |o| options[:output] = o }
     opt.on('-m', '--metrics a,b,c', Array, 'Metrics to use.', "Default: #{defaults[:metrics].join(",")}") { |m| options[:metrics] = m.map(&:to_sym) }