Fix typos and man page whatis entry (#619)

Those issues were detected by lintian.

Fix By: Gregor Jasny (@gjasny)

docs/ares_dns_mapping.3

@@ -3,6 +3,11 @@
 .\"
 .TH ARES_DNS_MAPPINGS 3 "12 November 2023"
 .SH NAME
+ares_dns_class_fromstr, ares_dns_class_tostr, ares_dns_datatype_t, ares_dns_opcode_tostr,
+ares_dns_opt_datatype_t, ares_dns_opt_get_datatype, ares_dns_opt_get_name,
+ares_dns_rcode_tostr, ares_dns_rec_type_fromstr, ares_dns_rr_get_keys,
+ares_dns_rr_key_datatype, ares_dns_rr_key_to_rec_type, ares_dns_rr_key_tostr,
+ares_dns_section_tostr, ares_opt_param_t, ares_svcb_param_t \-
 Helper functions for converting dns record identifiers to and from their
 respective types, as well identifying datatypes for various records.
 .SH SYNOPSIS

docs/ares_dns_record.3

@@ -3,6 +3,11 @@
 .\"
 .TH ARES_DNS_RECORD 3 "12 November 2023"
 .SH NAME
+ares_dns_class_t, ares_dns_flags_t, ares_dns_opcode_t, ares_dns_parse,
+ares_dns_rcode_t, ares_dns_record_create, ares_dns_record_destroy,
+ares_dns_record_get_flags, ares_dns_record_get_id, ares_dns_record_get_opcode,
+ares_dns_record_get_rcode, ares_dns_record_query_add, ares_dns_record_query_cnt,
+ares_dns_record_query_get, ares_dns_rec_type_t, ares_dns_write \-
 DNS Record parsing, writing, creating and destroying functions.
 .SH SYNOPSIS
 .nf
@@ -84,7 +89,7 @@ on requests, and some may only be valid on responses:
 - RFC 3403. Naming Authority Pointer
 .br
 .B ARES_REC_TYPE_OPT
-- RFC 6891. EDNS0 option (meta-RR). Psuedo Record.
+- RFC 6891. EDNS0 option (meta-RR). Pseudo Record.
 .br
 .B ARES_REC_TYPE_TLSA
 - RFC 6698. DNS-Based Authentication of Named Entities (DANE) Transport Layer Security (TLS) Protocol: TLSA

docs/ares_dns_rr.3

@@ -3,7 +3,17 @@
 .\"
 .TH ARES_DNS_RR 3 "12 November 2023"
 .SH NAME
-DNS Resource record creating, reading, and writing functions.
+ares_dns_record_rr_add, ares_dns_record_rr_cnt, ares_dns_record_rr_del,
+ares_dns_record_rr_get, ares_dns_rr_get_addr, ares_dns_rr_get_addr6,
+ares_dns_rr_get_bin, ares_dns_rr_get_class, ares_dns_rr_get_name,
+ares_dns_rr_get_opt, ares_dns_rr_get_opt_byid, ares_dns_rr_get_opt_cnt,
+ares_dns_rr_get_str, ares_dns_rr_get_ttl, ares_dns_rr_get_type,
+ares_dns_rr_get_u16, ares_dns_rr_get_u32, ares_dns_rr_get_u8, ares_dns_rr_key_t,
+ares_dns_rr_set_addr, ares_dns_rr_set_addr6, ares_dns_rr_set_bin,
+ares_dns_rr_set_opt, ares_dns_rr_set_str, ares_dns_rr_set_u16,
+ares_dns_rr_set_u32, ares_dns_rr_set_u8, ares_dns_section_t, ares_tlsa_match_t,
+ares_tlsa_selector_t, ares_tlsa_usage_t \-
+DNS Resource Record creating, reading, and writing functions.
 .SH SYNOPSIS
 .nf
 #include <ares.h>
@@ -194,7 +204,7 @@ Keys used for handling RR record parameters:
 - NAPTR Record. Order. Datatype: \fIARES_DATATYPE_U16\fP
 .br
 .B ARES_RR_NAPTR_PREFERENCE
-- NAPTR Record. Preference. Datatype: \fIARES_DATATYPE_U16\fp
+- NAPTR Record. Preference. Datatype: \fIARES_DATATYPE_U16\fP
 .br
 .B ARES_RR_NAPTR_FLAGS
 - NAPTR Record. Flags. Datatype: \fIARES_DATATYPE_STR\fP
@@ -286,7 +296,7 @@ TLSA Record \fIARES_RR_TLSA_CERT_USAGE\fP known values
 - Certificate Usage 1. Service Certificate Constraint
 .br
 .B ARES_TLSA_USAGE_TRUSTANCHOR
-- Certificate Usage 2. Trust Anchor Assertation
+- Certificate Usage 2. Trust Anchor Assertion
 .br
 .B ARES_TLSA_USAGE_DOMAIN
 - Certificate Usage 3. Domain-issued certificate
@@ -340,7 +350,7 @@ parameter.  The domain name associated with the resource record is specified by
 parameter, which can not be NULL but may be an empty string, or ".".  The resource
 record type is specified in the
 .IR type
-parameter, along withe the DNS record class in the
+parameter, along with the DNS record class in the
 .IR rclass
 parameter, and the Time To Live (TTL) in the
 .IR ttl

include/ares_dns_record.h

@@ -282,7 +282,7 @@ typedef enum {
   ARES_TLSA_USAGE_CA = 0,
   /*! Certificate Usage 1. Service Certificate Constraint. */
   ARES_TLSA_USAGE_SERVICE = 1,
-  /*! Certificate Usage 2. Trust Anchor Assertation. */
+  /*! Certificate Usage 2. Trust Anchor Assertion. */
   ARES_TLSA_USAGE_TRUSTANCHOR = 2,
   /*! Certificate Usage 3. Domain-issued certificate. */
   ARES_TLSA_USAGE_DOMAIN = 3