fix some headings

diff --git a/article.tex b/article.tex
index ad3a1bae8579d8cf92685644f392209ef1ec882e..f69420fc071f170952b9e5a60ca9a60916658ec5 100644 (file)
--- a/article.tex
+++ b/article.tex
@@ -635,7 +635,7 @@ Thus $D \isin C \equiv D \le C$.
 
 $\qed$
 
-\subsection{Foreign Contents:}
+\subsection{Foreign Contents}
 
 Not applicable. $\qed$
 
@@ -906,7 +906,7 @@ OK
 
 $\qed$
 
-\subsection{Foreign Contents:}
+\subsection{Foreign Contents}
 
 xxx use Totally Foreign Contents