[gnome-todo] todo-txt: some minor grammar nitpicks

[Piotr Drąg <piotrdrag src gnome org>]

commit 0e89b8b2456dc879fddcc398e355c320fb913183
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Feb 14 16:25:27 2017 +0100

    todo-txt: some minor grammar nitpicks

 plugins/todo-txt/gtd-provider-todo-txt.c |    8 ++++----
 plugins/todo-txt/gtd-todo-txt-parser.c   |    2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/plugins/todo-txt/gtd-provider-todo-txt.c b/plugins/todo-txt/gtd-provider-todo-txt.c
index 0828b21..12b6cbe 100644
--- a/plugins/todo-txt/gtd-provider-todo-txt.c
+++ b/plugins/todo-txt/gtd-provider-todo-txt.c
@@ -127,11 +127,11 @@ emit_generic_error (GError *error)
 {
   g_warning ("%s: %s: %s",
              G_STRFUNC,
-             _("Error opening Todo.txt"),
+             _("Error while opening Todo.txt"),
              error->message);
 
   gtd_manager_emit_error_message (gtd_manager_get_default (),
-                                  _("Error opening Todo.txt"),
+                                  _("Error while opening Todo.txt"),
                                   error->message);
 }
 
@@ -973,11 +973,11 @@ gtd_provider_todo_txt_remove_task_list (GtdProvider *provider,
         {
           g_warning ("%s: %s: %s",
                      G_STRFUNC,
-                     _("Error reading task-lists from Todo.txt"),
+                     _("Error while reading task lists from Todo.txt"),
                      line_read_error->message);
 
           gtd_manager_emit_error_message (gtd_manager_get_default (),
-                                          _("Error reading task-lists from Todo.txt"),
+                                          _("Error while reading task lists from Todo.txt"),
                                           line_read_error->message);
           g_error_free (line_read_error);
         }
diff --git a/plugins/todo-txt/gtd-todo-txt-parser.c b/plugins/todo-txt/gtd-todo-txt-parser.c
index 9639939..574fc4a 100644
--- a/plugins/todo-txt/gtd-todo-txt-parser.c
+++ b/plugins/todo-txt/gtd-todo-txt-parser.c
@@ -374,7 +374,7 @@ gtd_todo_txt_parser_validate_token_format (GList *tokens)
 
         default:
           gtd_manager_emit_error_message (gtd_manager_get_default (),
-                                          _("Unrecognized token in Todo.txt line"),
+                                          _("Unrecognized token in a Todo.txt line"),
                                           _("To Do cannot recognize some tags in your Todo.txt file. Some 
tasks may not be loaded"));
           return FALSE;
           break;