diff --git a/ox-rst.el b/ox-rst.el
index 9177c18..91b3a74 100644
--- a/ox-rst.el
+++ b/ox-rst.el
@@ -211,7 +211,7 @@ original Org buffer at the same place."
   :group 'org-export-rst
   :type '(choice
 	  (const :tag "Replicate original spacing" nil)
-	  (cons :tag "Set an uniform spacing"
+	  (cons :tag "Set a uniform spacing"
 		(integer :tag "Number of blank lines before contents")
 		(integer :tag "Number of blank lines after contents"))))