typo/comment/log fixes i found in my sandbox from montreal

src/or/directory.c

@@ -727,6 +727,10 @@ directory_initiate_command_routerstatus_rend(const routerstatus_t *status,
 
   node = node_get_by_id(status->identity_digest);
 
+  /* XXX The below check is wrong: !node means it's not in the consensus,
+   * but we haven't checked if we have a descriptor for it -- and also,
+   * we only care about the descriptor if it's a begindir-style anonymized
+   * connection. */
   if (!node && anonymized_connection) {
     log_info(LD_DIR, "Not sending anonymized request to directory '%s'; we "
              "don't have its router descriptor.",
@@ -744,7 +748,7 @@ directory_initiate_command_routerstatus_rend(const routerstatus_t *status,
     return;
   }
 
-  /* At this point, if we are a clients making a direct connection to a
+  /* At this point, if we are a client making a direct connection to a
    * directory server, we have selected a server that has at least one address
    * allowed by ClientUseIPv4/6 and Reachable{"",OR,Dir}Addresses. This
    * selection uses the preference in ClientPreferIPv6{OR,Dir}Port, if

src/or/rendcache.c

@@ -956,25 +956,25 @@ rend_cache_store_v2_desc_as_client(const char *desc,
    * avoid an evil HSDir serving old descriptor. We validate if the
    * timestamp is greater than and not equal because it's a rounded down
    * timestamp to the hour so if the descriptor changed in the same hour,
-   * the rend cache failure will tells us if we have a new descriptor. */
+   * the rend cache failure will tell us if we have a new descriptor. */
   if (e && e->parsed->timestamp > parsed->timestamp) {
     log_info(LD_REND, "We already have a new enough service descriptor for "
              "service ID %s with the same desc ID and version.",
              safe_str_client(service_id));
     goto okay;
   }
-  /* Lookup our failure cache for intro point that might be unsuable. */
+  /* Lookup our failure cache for intro point that might be unusable. */
   validate_intro_point_failure(parsed, service_id);
-  /* It's now possible that our intro point list is empty, this means that
+  /* It's now possible that our intro point list is empty, which means that
    * this descriptor is useless to us because intro points have all failed
    * somehow before. Discard the descriptor. */
   if (smartlist_len(parsed->intro_nodes) == 0) {
-    log_info(LD_REND, "Service descriptor with service ID %s, every "
-             "intro points are unusable. Discarding it.",
+    log_info(LD_REND, "Service descriptor with service ID %s has no "
+             "usable intro points. Discarding it.",
              safe_str_client(service_id));
     goto err;
   }
-  /* Now either purge the current one and replace it's content or create a
+  /* Now either purge the current one and replace its content or create a
    * new one and add it to the rend cache. */
   if (!e) {
     e = tor_malloc_zero(sizeof(rend_cache_entry_t));

src/or/routerlist.c

@@ -322,7 +322,6 @@ already_have_cert(authority_cert_t *cert)
  * we've just successfully retrieved certificates from, so try it first to
  * fetch any missing certificates.
  */
-
 int
 trusted_dirs_load_certs_from_string(const char *contents, int source,
                                     int flush, const char *source_dir)