diff --git a/src/en-US.h b/src/en-US.h
index dd3c6fd31..8132d98a2 100644
--- a/src/en-US.h
+++ b/src/en-US.h
@@ -251,8 +251,8 @@
 #define STRING_CMD_DONE_PROCEED      "Proceed with change?"
 #define STRING_CMD_DONE_COMPLETED    "Completed {1} '{2}'."
 #define STRING_CMD_DONE_NOT_PENDING  "Task {1} '{2}' is neither pending nor waiting."
-#define STRING_CMD_DONE_MARKED       "Marked {1} task as done"
-#define STRING_CMD_DONE_MARKED_N     "Marked {1} tasks as done"
+#define STRING_CMD_DONE_MARKED       "Marked {1} task as done."
+#define STRING_CMD_DONE_MARKED_N     "Marked {1} tasks as done."
 #define STRING_CMD_PROJECTS_USAGE    "Shows a list of all project names used, and how many tasks are in each"
 #define STRING_CMD_PROJECTS_USAGE_2  "Shows only a list of all project names used"
 #define STRING_CMD_PROJECTS_NO       "No projects."