Fix a few typos

doc/man/man1/ldapmodify.1

@@ -236,7 +236,7 @@ Specify the realm of authentication ID for SASL bind. The form of the realm
 depends on the actual SASL mechanism used.
 .TP
 .BI \-X \ authzid
-Specify the proxy authorization ID for SASL bind.
+Specify the requested authorization ID for SASL bind.
 .I authzid
 must be one of the following formats:
 .B dn:\c
@@ -269,13 +269,13 @@ absence of any "replica:" lines.
 .LP
 If no "changetype:" line is present, the default is "add" if the -a
 flag is set (or if the program was invoked as
-.I ldapmodify)
+.I ldapadd)
 and "modify" otherwise.
 .LP
 If changetype is "modify" and no "add:", "replace:", or "delete:" lines
-appear, the default is "replace" for and "add"
+appear, the default is "replace" for
 .BR ldapmodify (1)
-for
+and "add" for
 .BR ldapadd (1).
 .LP
 Note that the above exceptions to the