diff --git a/center-content.el b/center-content.el
index 86694eb..ba773ab 100644
--- a/center-content.el
+++ b/center-content.el
@@ -11,7 +11,7 @@
 
 (defgroup center-content ()
   "Center buffer content."
-  :group 'convinience
+  :group 'convenience
   :prefix "center-content-")
 
 (defcustom center-content-horizontal t
@@ -117,7 +117,7 @@
   ;; Remove vertical centering overlay
   (when (overlayp center-content--vertical-overlay)
     (delete-overlay center-content--vertical-overlay)
-    (setq center-content--horizontal-overlay nil))
+    (setq center-content--vertical-overlay nil))
   ;; Restore the header-line face remapping
   (when center-content--header-line-face-remap-cookie
     (face-remap-remove-relative center-content--header-line-face-remap-cookie)