--- a/man/man3/Tspi_ChangeAuth.3
+++ b/man/man3/Tspi_ChangeAuth.3
@@ -25,18 +25,9 @@
 .SH "SYNOPSIS"
 .ad l
 .hy 0
-.nf
-.B #include <tss/platform.h>
-.B #include <tss/tcpa_defines.h>
-.B #include <tss/tcpa_typedef.h>
-.B #include <tss/tcpa_struct.h>
-.B #include <tss/tss_typedef.h>
-.B #include <tss/tss_structs.h>
-.B #include <tss/tspi.h>
+.B #include <tss/tss.h>
 .sp
-.BI "TSS_RESULT Tspi_ChangeAuth(TSS_HOBJECT " hObjectToChange ", TSS_HOBJECT " hParentObject ","
-.BI "                           TSS_HPOLICY " hNewPolicy " );"
-.fi
+.BI "TSS_RESULT Tspi_ChangeAuthTSS_HOBJECT (" hObjectToChange ", TSS_HOBJECT " hParentObject ", TSS_HPOLICY " hNewPolicy " );"
 .sp
 .ad
 .hy
@@ -47,20 +38,20 @@
 .SH "PARAMETERS"
 .PP
 .SS hObjectToChange
-Handle of the object to change authorization for.
+Handle of the object where to retrieve the attribute.
 .PP
 .SS hParentObject
 Handle of the parent object wrapping the object addressed by hObjectToChange.
 .PP
 .SS hNewPolicy
-Handle of the policy object providing the new authorization data.
+Handle of the policy object providing the new authorization data. 
 .SH "RETURN CODES"
 .PP
 \fBTspi_ChangeAuth\fR returns TSS_SUCCESS on success,otherwise one of the following values are returned:
 .TP
 .SM TSS_E_INVALID_HANDLE - Either \fIhObjectToChange\fR, or \fIhParentObject\fR are not a valid handle.
 .TP
-.SM TSS_E_INTERNAL_ERROR - An error occurred internal to the TSS.
+.SM TSS_E_INTERNAL_ERROR - The command failed.
 
 .SH "CONFORMING TO"