diff --git a/lib/bundler/definition.rb b/lib/bundler/definition.rb
index 3e10b68783fa40..3173359749e62f 100644
--- a/lib/bundler/definition.rb
+++ b/lib/bundler/definition.rb
@@ -365,16 +365,15 @@ def to_lock
 
     def ensure_equivalent_gemfile_and_lockfile(explicit_flag = false)
       msg = String.new
-      msg << "You are trying to install in deployment mode after changing\n" \
-             "your Gemfile. Run `bundle install` elsewhere and add the\n" \
-             "updated #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)} to version control."
+      msg << "You are trying to install in deployment mode after changing your Gemfile.\n" \
+             "Run `bundle install` elsewhere and add the updated #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)} to version control.\n"
 
       unless explicit_flag
         suggested_command = unless Bundler.settings.locations("frozen").keys.include?(:env)
           "bundle config set frozen false"
         end
-        msg << "\n\nIf this is a development machine, remove the #{Bundler.default_gemfile} " \
-               "freeze \nby running `#{suggested_command}`." if suggested_command
+        msg << "If this is a development machine, remove the #{Bundler.default_gemfile} " \
+               "freeze by running `#{suggested_command}`." if suggested_command
       end
 
       added =   []
diff --git a/spec/bundler/commands/update_spec.rb b/spec/bundler/commands/update_spec.rb
index 7a0d435860ba46..76aa046292d460 100644
--- a/spec/bundler/commands/update_spec.rb
+++ b/spec/bundler/commands/update_spec.rb
@@ -658,27 +658,27 @@
       bundle "update", :all => true, :raise_on_error => false
 
       expect(last_command).to be_failure
-      expect(err).to match(/You are trying to install in deployment mode after changing.your Gemfile/m)
-      expect(err).to match(/freeze \nby running `bundle config set frozen false`./m)
+      expect(err).to match(/You are trying to install in deployment mode after changing your Gemfile/)
+      expect(err).to match(/freeze by running `bundle config set frozen false`./)
     end
 
     it "should fail loudly when frozen is set globally" do
       bundle "config set --global frozen 1"
       bundle "update", :all => true, :raise_on_error => false
-      expect(err).to match(/You are trying to install in deployment mode after changing.your Gemfile/m).
-        and match(/freeze \nby running `bundle config set frozen false`./m)
+      expect(err).to match(/You are trying to install in deployment mode after changing your Gemfile/).
+        and match(/freeze by running `bundle config set frozen false`./)
     end
 
     it "should fail loudly when deployment is set globally" do
       bundle "config set --global deployment true"
       bundle "update", :all => true, :raise_on_error => false
-      expect(err).to match(/You are trying to install in deployment mode after changing.your Gemfile/m).
-        and match(/freeze \nby running `bundle config set frozen false`./m)
+      expect(err).to match(/You are trying to install in deployment mode after changing your Gemfile/).
+        and match(/freeze by running `bundle config set frozen false`./)
     end
 
     it "should not suggest any command to unfreeze bundler if frozen is set through ENV" do
       bundle "update", :all => true, :raise_on_error => false, :env => { "BUNDLE_FROZEN" => "true" }
-      expect(err).to match(/You are trying to install in deployment mode after changing.your Gemfile/m)
+      expect(err).to match(/You are trying to install in deployment mode after changing your Gemfile/)
       expect(err).not_to match(/by running/)
     end
   end