diff --git a/1th/front/intro.md b/1th/front/intro.md
index ec44541bec..8fb7907221 100644
--- a/1th/front/intro.md
+++ b/1th/front/intro.md
@@ -47,7 +47,7 @@ Paul made clear that those who die before Christ's return will come back to life
 
 ### What did Paul mean by expressions like "in Christ" and "in the Lord."?
 
-Paul meant to express the idea of a very a close union with Christ and the believers. Please see the introduction to the Book of Romans for more details about this kind of expression.
+Paul meant to express the idea of a very close union with Christ and the believers. Please see the introduction to the Book of Romans for more details about this kind of expression.
 
 ### What are the major issues in the text of the Book of 1 Thessalonians?