diff --git a/doc/master/valid_exec b/doc/master/valid_exec
index 2c0b67b..04f2c62 100644
--- a/doc/master/valid_exec
+++ b/doc/master/valid_exec
@@ -1,15 +1,15 @@
 SYNOPSIS
-	int valid_exec(string name, object ob, object obfrom)
+        int valid_exec(string name, object ob, object obfrom)
 
 DESCRIPTION
-	Validate the rebinding of an IP connection by usage of efun
-	exec(). Arguments are the <name> of the _program_ attempting
-	to rebind the connection, the object <ob> to receive the
-	connection, and the object <obfrom> giving the connection.
-	Note that the program name is not the object_name() of the
-	object, and has no leading slash.
+        Validate the rebinding of an IP connection by usage of efun
+        exec(). Arguments are the <name> of the _program_ attempting
+        to rebind the connection, the object <ob> to receive the
+        connection, and the object <obfrom> giving the connection.
+        Note that the program name is not the file_name() of the
+        object, and has no leading slash.
 
-	Return 0 to disallow the action, any other value to allow it.
+        Return 0 to disallow the action, any other value to allow it.
 
 SEE ALSO
-	exec(E)
+        exec(E)