fix typos and trivial syntax problems

ChangeLog

@@ -454,7 +454,7 @@ Changes in version 0.2.9.3-alpha - 2016-09-23
 
   o Major bugfixes (circuit building):
     - Hidden service client-to-intro-point and service-to-rendezvous-
-      point cicruits use the TAP key supplied by the protocol, to avoid
+      point circuits use the TAP key supplied by the protocol, to avoid
       epistemic attacks. Fixes bug 19163; bugfix on 0.2.4.18-rc.
 
   o Major bugfixes (compilation, OpenBSD):

src/common/sandbox.c

@@ -1542,7 +1542,7 @@ sandbox_getaddrinfo(const char *name, const char *servname,
     return err;
   }
 
-  /* Otherwise, the sanbox is on.  If we have an item, yield its cached
+  /* Otherwise, the sandbox is on.  If we have an item, yield its cached
      result. */
   if (item) {
     *res = item->res;

src/or/circuituse.c

@@ -2127,7 +2127,7 @@ circuit_get_open_circ_or_launch(entry_connection_t *conn,
      * will have to launch one!
      */
 
-    /* THe chosen exit node, if there is one. */
+    /* The chosen exit node, if there is one. */
     extend_info_t *extend_info=NULL;
     const int n_pending = count_pending_general_client_circuits();
 

src/or/config.c

@@ -2430,8 +2430,8 @@ using_default_dir_authorities(const or_options_t *options)
  * Fail if one or more of the following is true:
  *   - DNS name in <b>options-\>Address</b> cannot be resolved.
  *   - <b>options-\>Address</b> is a local host address.
- *   - Attempt to getting local hostname fails.
- *   - Attempt to getting network interface address fails.
+ *   - Attempt at getting local hostname fails.
+ *   - Attempt at getting network interface address fails.
  *
  * Return 0 if all is well, or -1 if we can't find a suitable
  * public IP address.
@@ -2811,7 +2811,7 @@ compute_publishserverdescriptor(or_options_t *options)
 #define MIN_REND_POST_PERIOD (10*60)
 #define MIN_REND_POST_PERIOD_TESTING (5)
 
-/** Higest allowable value for PredictedPortsRelevanceTime; if this is
+/** Highest allowable value for PredictedPortsRelevanceTime; if this is
  * too high, our selection of exits will decrease for an extended
  * period of time to an uncomfortable level .*/
 #define MAX_PREDICTED_CIRCS_RELEVANCE (60*60)
@@ -2954,12 +2954,12 @@ options_validate_single_onion(or_options_t *options, char **msg)
     REJECT("Non-anonymous (Tor2web) mode is incompatible with using Tor as a "
            "hidden service. Please remove all HiddenServiceDir lines, or use "
            "a version of tor compiled without --enable-tor2web-mode, or use "
-           " HiddenServiceNonAnonymousMode.");
+           "HiddenServiceNonAnonymousMode.");
   }
 
   if (rend_service_allow_non_anonymous_connection(options)
       && options->UseEntryGuards) {
-    /* Single Onion services only use entry guards when uploading descriptors,
+    /* Single Onion services only use entry guards when uploading descriptors;
      * all other connections are one-hop. Further, Single Onions causes the
      * hidden service code to do things which break the path bias
      * detector, and it's far easier to turn off entry guards (and
@@ -3002,7 +3002,7 @@ options_validate(or_options_t *old_options, or_options_t *options,
   *msg = NULL;
 
   /* Set UseEntryGuards from the configured value, before we check it below.
-   * We change UseEntryGuards whenn it's incompatible with other options,
+   * We change UseEntryGuards when it's incompatible with other options,
    * but leave UseEntryGuards_option with the original value.
    * Always use the value of UseEntryGuards, not UseEntryGuards_option. */
   options->UseEntryGuards = options->UseEntryGuards_option;

src/or/connection_edge.c

@@ -1638,7 +1638,7 @@ connection_ap_handshake_rewrite_and_attach(entry_connection_t *conn,
         return -1;
       }
       /* You can't make connections to internal addresses, by default.
-       * Exceptions are begindir requests (where the address is meaningless,
+       * Exceptions are begindir requests (where the address is meaningless),
        * or cases where you've hand-configured a particular exit, thereby
        * making the local address meaningful. */
       if (options->ClientRejectInternalAddresses &&

src/or/dirserv.c

@@ -3209,7 +3209,7 @@ dirserv_orconn_tls_done(const tor_addr_t *addr,
     if (!authdir_mode_bridge(get_options()) ||
         ri->purpose == ROUTER_PURPOSE_BRIDGE) {
       char addrstr[TOR_ADDR_BUF_LEN];
-      /* This is a bridge or we're not a bridge authorititative --
+      /* This is a bridge or we're not a bridge authority --
          mark it as reachable.  */
       log_info(LD_DIRSERV, "Found router %s to be reachable at %s:%d. Yay.",
                router_describe(ri),

src/or/or.h

@@ -4533,7 +4533,7 @@ typedef struct {
    * XXXX Eventually, the default will be 0. */
   int ExitRelay;
 
-  /** For how long (seconds) do we declare our singning keys to be valid? */
+  /** For how long (seconds) do we declare our signing keys to be valid? */
   int SigningKeyLifetime;
   /** For how long (seconds) do we declare our link keys to be valid? */
   int TestingLinkCertLifetime;

src/or/routerlist.c

@@ -4585,7 +4585,7 @@ router_exit_policy_rejects_all(const routerinfo_t *router)
   return router->policy_is_reject_star;
 }
 
-/** Create an directory server at <b>address</b>:<b>port</b>, with OR identity
+/** Create a directory server at <b>address</b>:<b>port</b>, with OR identity
  * key <b>digest</b> which has DIGEST_LEN bytes.  If <b>address</b> is NULL,
  * add ourself.  If <b>is_authority</b>, this is a directory authority.  Return
  * the new directory server entry on success or NULL on failure. */