diff --git a/mailnews/compose/resources/locale/en-US/composeMsgs.properties b/mailnews/compose/resources/locale/en-US/composeMsgs.properties
index ba755270b5da..0900426e0d16 100644
--- a/mailnews/compose/resources/locale/en-US/composeMsgs.properties
+++ b/mailnews/compose/resources/locale/en-US/composeMsgs.properties
@@ -56,7 +56,7 @@
 12505=Loading attachment...
 
 ## @name NS_MSG_COULDNT_OPEN_FCC_FOLDER
-12506=Couldn't open Sent Mail folder. Please verify that your Mail preferences are correct.
+12506=Couldn't open Sent mail folder. Please verify that your Mail preferences are correct.
 
 ## @name NS_MSG_CANT_POST_TO_MULTIPLE_NEWS_HOSTS
 12507=Can't post to multiple news hosts. Try again.
@@ -248,10 +248,10 @@ sendAnyway=Send anyway
 12572=An error occurred sending mail: The mail server sent an incorrect greeting:  %s.
 
 ## @name NS_ERROR_COULD_NOT_LOGIN_TO_SMTP_SERVER_WITH_STARTTLS1
-12573=An error occurred sending mail: Unable to connect to SMTP server %S via STARTTLS since he doesn't support EHLO. Please verify that your Mail/News account settings are correct and try again.
+12573=An error occurred sending mail: Unable to connect to SMTP server %S via STARTTLS since it doesn't support EHLO. Please verify that your Mail/News account settings are correct and try again.
 
 ## @name NS_ERROR_COULD_NOT_LOGIN_TO_SMTP_SERVER_WITH_STARTTLS2
-12574=An error occurred sending mail: Unable to connect to SMTP server %S via STARTTLS since he doesn't offer STARTTLS In EHLO reponse. Please verify that your Mail/News account settings are correct and try again.
+12574=An error occurred sending mail: Unable to connect to SMTP server %S via STARTTLS since it doesn't offer STARTTLS in its EHLO response. Please verify that your Mail/News account settings are correct and try again.
 
 ## Strings use for the save message dialog shown when the user close a message compose window
 saveDlogTitle=Save Message