diff --git a/Changes b/Changes
index b97954c92..d005ddd71 100644
--- a/Changes
+++ b/Changes
@@ -117,7 +117,7 @@ pipe.2
     Elie De Brauwer
         PIPE_BUF is defined in limits.h
             To make use of PIPE_BUF in an application one should include
-	    <limits.h>.  Adding a reference to this inclusion.
+            <limits.h>.  Adding a reference to this inclusion.
 
 poll.2
     Michael Kerrisk  [Nadav Har'El]
@@ -307,9 +307,9 @@ pipe.7
     Elie De Brauwer
         Add reference that the pipe capacity can be changed
             In fcntl(2) F_SETPIPE_SZ, F_GETPIPE_SZ and
-	    /proc/sys/fs/pipe-max-size are defined, however
-	    pipe(7) still defines the pipe capacity as being
-	    a static entity. Adding a reference to fcntl(2).
+            /proc/sys/fs/pipe-max-size are defined, however
+            pipe(7) still defines the pipe capacity as being
+            a static entity. Adding a reference to fcntl(2).
     Michael Kerrisk  [Walter Harms]
         Clarify that since 2.6.35, 65535 bytes is the default pipe capacity