diff --git a/Changes b/Changes
index e63599813..53c1bd2c8 100644
--- a/Changes
+++ b/Changes
@@ -23,12 +23,12 @@ pthread_attr_init.3
 pthread_attr_setdetachstate.3
     Michael Kerrisk
         New page for pthread_attr_setdetachstate(3) and
-	pthread_attr_getdetachstate(3)
+        pthread_attr_getdetachstate(3)
 
 pthread_attr_setguardsize.3
     Michael Kerrisk
         New page for pthread_attr_setguardsize(3) and
-	pthread_attr_getguardsize(3)
+        pthread_attr_getguardsize(3)
 
 pthread_attr_setscope.3
     Michael Kerrisk
@@ -41,12 +41,12 @@ pthread_attr_setstack.3
 pthread_attr_setstackaddr.3
     Michael Kerrisk
         New page for pthread_attr_setstackaddr(3) and
-	pthread_attr_getstackaddr(3)
+        pthread_attr_getstackaddr(3)
 
 pthread_attr_setstacksize.3
     Michael Kerrisk
         New page for pthread_attr_setstacksize(3) and
-	pthread_attr_getstacksize(3)
+        pthread_attr_getstacksize(3)
 
 pthread_create.3
     Michael Kerrisk
@@ -131,7 +131,7 @@ epoll_create1.2
     Michael Kerrisk
         New link to epoll_create.2
             epoll_create.2 now includes a description of the new
-	    epoll_create1() system call.
+            epoll_create1() system call.
 
 eventfd2.2
     Michael Kerrisk
@@ -236,8 +236,8 @@ eventfd.2
     Michael Kerrisk
         Remove crufty text relating to flags argument
             Remove sentence saying that glibc adds a flags argument
-	    to the syscall; that was only relevant for the older
-	    eventfd() system call.
+            to the syscall; that was only relevant for the older
+            eventfd() system call.
 getdents.2
     Christoph Hellwig
         Fix text relating to DT_UNKNOWN and 'd_type' support
@@ -284,8 +284,8 @@ signalfd.2
     Michael Kerrisk
         Remove crufty text relating to flags argument
             Remove sentence saying that glibc adds a flags argument
-	    to the syscall; that was only relevant for the older
-	    signalfd() system call.
+            to the syscall; that was only relevant for the older
+            signalfd() system call.
 
 sigprocmask.2
     Michael Kerrisk
@@ -411,8 +411,8 @@ utmp.5
     Pierre Cazenave
         It is just "other" who should not have write perms on utmp
             The page was vague before, saying that utmp should not be
-	    writable by any user.  This isn't true: it can be, and
-	    typically is, writable by user and group.
+            writable by any user.  This isn't true: it can be, and
+            typically is, writable by user and group.
 
 epoll.7
     Michael Kerrisk