Social profile: Minor lang string fixes (Bug #1432523)

Change-Id: I782921a0edeae9934235d0a02627c451b9174844
Signed-off-by: Kristina D.C. Hoeppner <kristina@catalyst.net.nz>

htdocs/artefact/internal/lang/en.utf8/artefact.internal.php

@@ -182,9 +182,9 @@ $string['progress_makefriend'] = array(
 $string['socialprofile'] = 'Social media';
 $string['socialprofiles'] = 'Social media accounts';
 $string['service'] = 'Social network';
-$string['servicedesc'] = 'Enter the name of the social media network, e.g.: Facebook, LinkedIn, Twitter, etc.';
+$string['servicedesc'] = 'Enter the name of the social media network, e.g. Facebook, LinkedIn, Twitter, etc.';
 $string['profileurl'] = 'Your URL or username';
-$string['profileurldesc'] = 'The URL of your profile page, or your username.';
+$string['profileurldesc'] = 'The URL of your profile page or your username.';
 $string['profileurlexists'] = 'This social media account cannot be added because its username or URL is a duplicate of one you\'ve already entered.';
 $string['profiletype'] = 'Social network';
 
@@ -193,7 +193,7 @@ $string['deletethisprofile'] = 'Delete social media account: \'%s\'';
 $string['deleteprofileconfirm'] = 'Are you sure you wish to delete this social media account?';
 $string['editthisprofile'] = 'Edit social media account: \'%s\'';
 $string['newsocialprofile'] = 'New social media account';
-$string['notvalidprofileurl'] = 'This is not a valid social profile URL address. Please enter a valid URL address or select appropriate messaging service from the list above.';
+$string['notvalidprofileurl'] = 'This is not a valid social profile URL. Please enter a valid URL or select a messaging service from the list above.';
 $string['profiledeletedsuccessfully'] = 'Social media account deleted successfully';
 $string['profilesavedsuccessfully'] = 'Social media account saved successfully';
 $string['socialprofilerequired'] = 'At least one social media account is required.';