diff --git a/Changes b/Changes
index 599e41479..25cf8a043 100644
--- a/Changes
+++ b/Changes
@@ -41,7 +41,7 @@ raw.7
 uri.7
     Justin Pryzby / mtk
         Fix incorrect usage of "a" and "an" before following vowel / 
-	consonant, by reviewing the output of the following scripts:
+        consonant, by reviewing the output of the following scripts:
             for a in  $(wc */*.? | awk '$1 > 10 {print $4}' | gv total); do 
                 echo $a
                 MANWIDTH=4000 man -l $a 2>/dev/null |
@@ -118,8 +118,8 @@ time.7
     mtk
         s/x86/i386/ since that is the name used in 'arch' directories
         in the kernel source, and previously both i386 and x86 were both
-	used in man pages; also nowadays 'x86' is now somewhat ambiguous,
-	since it is the name of the 'arch' directory for i386 and x86-64.
+        used in man pages; also nowadays 'x86' is now somewhat ambiguous,
+        since it is the name of the 'arch' directory for i386 and x86-64.
 
 conj.3
 cacos.3
@@ -160,14 +160,14 @@ offsetof.3
 Various pages
     mtk / Alain Portal
         Format casts so that there is a non-breaking space after the
-	type, and remove unnecessary parentheses around the casted value.
-	Thus, for example, the following:
+        type, and remove unnecessary parentheses around the casted value.
+        Thus, for example, the following:
 
-	    .IR "(size_t) (\-1)" .
+            .IR "(size_t) (\-1)" .
 
         becomes:
-	  
-	    .IR "(size_t)\ \-1" .
+        
+            .IR "(size_t)\ \-1" .
 
 Various pages
     mtk / Alain Portal
@@ -176,13 +176,13 @@ Various pages
 Various pages
     mtk
         Make the formatting of instances of '*varname' consistent, changing
-	instances such as:
+        instances such as:
 
-	    .RI * varname
+            .RI * varname
 
-	to:
+        to:
 
-	    .I *varname
+            .I *varname
 
 pciconfig_read.2
 nfsservctl.2
@@ -303,7 +303,7 @@ fopen.3
 
     mtk
         Rename argument: s/file*des/fd/ , since that is the name most
-	commonly used on man pages for a file descriptor argument.
+        commonly used on man pages for a file descriptor argument.
 
 bindresvport.3
 des_crypt.3
@@ -328,7 +328,7 @@ _syscall.2
 arch_prctl.2
     mtk
         Clarify interpretation of 'addr'; plus a few other minor edits
-	and updates.
+        and updates.
 
 bind.2
     mtk
@@ -337,12 +337,12 @@ bind.2
 close.2
     mtk
         Clarify relationship between file descriptor and open file
-	description.
+        description.
 
 connect.2
     mtk
         Since kernel 2.2, AF_UNSPEC for unconnecting a connected
-	socket *is* supported.
+        socket *is* supported.
 
 execve.2
     Alain Portal
@@ -401,7 +401,7 @@ seteuid.2
 setpgid.2
     mtk
         Add credentials(7) to SEE ALSO, and updated copyright credits,
-	to reflect my rewrite of a few months ago.
+        to reflect my rewrite of a few months ago.
 
 setsid.2
     mtk
@@ -428,7 +428,7 @@ cerf.3
 dbopen.3
     Alain Portal / mtk
         Various minor spelling and formatting fixes.
-       
+     
 envz_add.3
     mtk
         Formatting fixes.
@@ -469,11 +469,11 @@ xdr.3
 console_ioctl.4
     mtk
         Formatting fixes.
-    
+  
 bootparam.7
     mtk, after a note by Alan Portal
         Fix reference to kernel documentation source file in the
-	"The Sound Driver" subsection.
+        "The Sound Driver" subsection.
 
 man-pages.7
     Alain Portal