Minor 'arc' text fixes

Summary: I removed the "--interactive" flag since it makes no sense with 'arc
merge --squash', and transposed a space.

Test Plan: Read text.

Reviewers: cpiro, btrahan, davidreuss

Reviewed By: cpiro

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D1493

src/workflow/amend/ArcanistAmendWorkflow.php

@@ -108,7 +108,7 @@ EOTEXT
           "in the working copy. Use '--revision <id>' to specify which ".
           "revision you want to amend.");
       } else if (count($in_working_copy) > 1) {
-        $message = "More than one revisionw as found in the working copy:\n".
+        $message = "More than one revision was found in the working copy:\n".
           $this->renderRevisionList($in_working_copy)."\n".
           "Use '--revision <id>' to specify which revision you want to ".
           "amend.";

src/workflow/land/ArcanistLandWorkflow.php

@@ -25,7 +25,7 @@ class ArcanistLandWorkflow extends ArcanistBaseWorkflow {
 
   public function getCommandHelp() {
     return phutil_console_format(<<<EOTEXT
-      **land** __branch__ [--interactive] [--onto __master__]
+      **land** __branch__ [--onto __master__]
           Supports: git
 
           Land an accepted change (currently sitting in local feature branch