Incorporated message feedback

lib/cocoapods/installer/analyzer.rb

@@ -289,16 +289,16 @@ module Pod
           #  a project for doing framework development. In that case, just warn that
           #  the frameworks that these targets depend on won't be integrated anywhere
           if embedded_targets_missing_hosts_product_types == [:framework]
-            UI.warn 'The Podfile contains framework targets, for which the Podfile does not contain host targets (where these frameworks would be installed).' \
+            UI.warn 'The Podfile contains framework targets, for which the Podfile does not contain host targets (targets which embed the framework).' \
               "\n" \
-              'If this project is for doing framework development, you can ignore this message or add a test target that embeds these frameworks to make this message go away. Otherwise, please add the frameworks\' host targets to the Podfile.'
+              'If this project is for doing framework development, you can ignore this message. Otherwise, add a target to the Podfile that embeds these frameworks to make this message go away (e.g. a test target).'
           else
             target_names = embedded_targets_missing_hosts.map do |target|
               target.name.sub('Pods-', '') # Make the target names more recognizable to the user
             end.join ', '
             raise Informative, "Unable to find host target(s) for #{target_names}. Please add the host targets for the embedded targets to the Podfile." \
                                 "\n" \
-                                'Certain kinds of targets require a host target, in which to be embedded. These are example types of targets that need a host target:' \
+                                'Certain kinds of targets require a host target. A host target is a "parent" target which embeds a "child" target. These are example types of targets that need a host target:' \
                                 "\n- Framework" \
                                 "\n- App Extension" \
                                 "\n- Watch OS 1 Extension" \

spec/unit/installer/analyzer_spec.rb

@@ -747,7 +747,7 @@ module Pod
           analyzer = Pod::Installer::Analyzer.new(config.sandbox, podfile)
           should.raise Informative do
             analyzer.analyze
-          end.message.should.match /Unable to find host target\(s\) for Today Extension. Please add the host targets for the embedded targets to the Podfile/
+          end.message.should.match /Unable to find host target\(s\) for Today Extension. Please add the host targets for the embedded targets to the Podfile\./
         end
 
         it 'warns when using a Podfile for framework-only projects' do
@@ -762,7 +762,7 @@ module Pod
           end
           analyzer = Pod::Installer::Analyzer.new(config.sandbox, podfile)
           analyzer.analyze
-          UI.warnings.should.match /The Podfile contains framework targets, for which the Podfile does not contain host targets \(where these frameworks would be installed\)\./
+          UI.warnings.should.match /The Podfile contains framework targets, for which the Podfile does not contain host targets \(targets which embed the framework\)\./
         end
 
         it 'raises when the extension calls use_frameworks!, but the host target does not' do