diff --git a/src/net/sourceforge/plantuml/utils/Cypher.java b/src/net/sourceforge/plantuml/utils/Cypher.java
index 6dd696927..000cbf421 100644
--- a/src/net/sourceforge/plantuml/utils/Cypher.java
+++ b/src/net/sourceforge/plantuml/utils/Cypher.java
@@ -131,7 +131,7 @@ public class Cypher {
 	public void addException(String word) {
 		word = word.toLowerCase();
 		if (words.contains(word)) {
-			System.err.println("Warning:" + word);
+			System.err.println("CypherWarning:" + word);
 			words.remove(word);
 		}
 		except.add(word);
diff --git a/src/net/sourceforge/plantuml/utils/words.txt b/src/net/sourceforge/plantuml/utils/words.txt
index d2b1d13aa..2b02b41e2 100644
--- a/src/net/sourceforge/plantuml/utils/words.txt
+++ b/src/net/sourceforge/plantuml/utils/words.txt
@@ -1898,7 +1898,6 @@ thankful
 that
 their
 them
-then
 there
 these
 they
@@ -2115,4 +2114,4 @@ youthful
 zeal
 zenith
 zest
-zippy
\ No newline at end of file
+zippy