diff --git a/Changes b/Changes
index 1c7b86f75..9e6a05cf3 100644
--- a/Changes
+++ b/Changes
@@ -27,17 +27,17 @@ New and rewritten pages
 pthread_attr_setaffinity_np.3
     Michael Kerrisk
         New page for pthread_attr_setaffinity_np(3) and
-	pthread_attr_getaffinity_np(3)
+        pthread_attr_getaffinity_np(3)
 
 pthread_attr_setschedparam.3
     Michael Kerrisk
         New page for pthread_attr_setschedparam(3) and
-	pthread_attr_getschedparam(3)
+        pthread_attr_getschedparam(3)
 
 pthread_attr_setschedpolicy.3
     Michael Kerrisk
         New page for pthread_attr_setschedpolicy(3) and
-	pthread_attr_getschedpolicy(3)
+        pthread_attr_getschedpolicy(3)
 
 pthread_setaffinity_np.3
     Michael Kerrisk