Clean up sign-in grammar

chrome/android/java/strings/android_chrome_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <grit current_release="1" latest_public_release="0">
   <outputs>
     <output filename="values-am/android_chrome_strings.xml" lang="am" type="android" />
     <output filename="values-ar/android_chrome_strings.xml" lang="ar" type="android" />
     <output filename="values-bg/android_chrome_strings.xml" lang="bg" type="android" />
     <output filename="values-ca/android_chrome_strings.xml" lang="ca" type="android" />
     <output filename="values-cs/android_chrome_strings.xml" lang="cs" type="android" />
     <output filename="values-da/android_chrome_strings.xml" lang="da" type="android" />
     <output filename="values-de/android_chrome_strings.xml" lang="de" type="android" />
@@ skipping 106 matching lines @@
       <message desc="Content description for the input javascript modal dialog prompt. [CHAR-LIMIT=32]" name="IDS_ACCESSIBILITY_JS_MODAL_DIALOG_PROMPT">
         Prompt
       </message>
       <message desc="Dialog box title for viewing security certificates. [CHAR-LIMIT=32]" name="IDS_CERTTITLE">
         Certificate Viewer
       </message>
       <!-- Sync error strings -->
       <message desc="Sync error string for generic error. [CHAR-LIMIT=80]" name="IDS_SYNC_ERROR_GENERIC">
         Sync error
       </message>
-      <message desc="Sync error string for when the needs to update the sign in details [CHAR-LIMIT=80]" name="IDS_SYNC_ERROR_GA">
-        Please update your sign in details.
+      <message desc="Sync error string for when the needs to update the sign-in details [CHAR-LIMIT=80]" name="IDS_SYNC_ERROR_GA">
+        Please update your sign-in details.
       </message>
       <message desc="Sync error string for network connection. [CHAR-LIMIT=80]" name="IDS_SYNC_ERROR_CONNECTION">
         Could not connect to the sync server.
       </message>
       <message desc="Sync error string for domain not supported. [CHAR-LIMIT=80]" name="IDS_SYNC_ERROR_DOMAIN">
         Sync is not available for your domain.
       </message>
       <message desc="Sync error string for service unavailable. [CHAR-LIMIT=80]" name="IDS_SYNC_ERROR_SERVICE_UNAVAILABLE">
         The service is not available; try again later.
       </message>
       <message desc="Title to show on a dialog during sign-in, indicating that the account used has policy management enabled." name="IDS_POLICY_DIALOG_TITLE">
-        Confirm sign in
+        Confirm sign-in
       </message>
       <message desc="Message to show on a dialog during sign-in, indicating that the account used has policy management enabled." name="IDS_POLICY_DIALOG_MESSAGE">
         This account is managed by <ph name="DOMAIN_NAME">%1$s<ex>google.com</ex></ph>.
 
 You are signing in with a managed account and giving its administrator control over your Chrome profile. Your Chrome data will become permanently tied to this account. Disconnecting from this account will delete the local Chrome data.
       </message>
       <message desc="Label on the button to accept the policy dialog during sign-in. [CHAR-LIMIT=20]" name="IDS_POLICY_DIALOG_PROCEED">
         Accept and sign in
       </message>
       <message desc="Label on the button to reject the policy dialog during sign-in. [CHAR-LIMIT=20]" name="IDS_POLICY_DIALOG_CANCEL">
@@ skipping 112 matching lines @@
       </message>
       <message name="IDS_CONTEXTMENU_COPY_IMAGE" desc="Context sensitive menu item for copying an image to the clipboard. [CHAR-LIMIT=30]">
         Copy image
       </message>
       <message name="IDS_CONTEXTMENU_SAVE_VIDEO" desc="Context sensitive menu item for saving the selected video. [CHAR-LIMIT=30]">
         Save video
       </message>
     </messages>
   </release>
 </grit>