diff --git a/expat/tests/README.txt b/expat/tests/README.txt
index 24e47d9b..1ee72edc 100644
--- a/expat/tests/README.txt
+++ b/expat/tests/README.txt
@@ -6,7 +6,7 @@ examples/ directory for that.
 The Expat tests use the "Check" unit testing framework for C.  More
 information on Check can be found at:
 
-	http://check.sourceforge.net/
+        http://check.sourceforge.net/
 
 Check 0.8 must be installed before the unit tests can be compiled & run.