diff --git a/src/chat_session.c b/src/chat_session.c
index 555452cb..8ce2e437 100644
--- a/src/chat_session.c
+++ b/src/chat_session.c
@@ -141,7 +141,7 @@ chat_session_recipient_active(const char * const barejid, const char * const res
         // session exists with resource, update chat_states
         if (g_strcmp0(session->resource, resource) == 0) {
             session->send_states = send_states;
-        // session exists with differet resource and no override, replace
+        // session exists with different resource and no override, replace
         } else if (!session->resource_override) {
             _chat_session_new(barejid, resource, FALSE, send_states);
         }
diff --git a/src/command/command.c b/src/command/command.c
index f057ba62..13b60b33 100644
--- a/src/command/command.c
+++ b/src/command/command.c
@@ -332,7 +332,7 @@ static struct cmd_t command_defs[] =
           "nick value     : Nickname to use in the room",
           "password value : Password if the room requires it.",
           "",
-          "If no nickname is specfied the account preference 'muc.nick' will be used which by default is the localpart of your JID.",
+          "If no nickname is specified the account preference 'muc.nick' will be used which by default is the localpart of your JID.",
           "If the room doesn't exist, and the server allows it, a new one will be created.",
           "",
           "Example: /join jdev@conference.jabber.org",
@@ -365,7 +365,7 @@ static struct cmd_t command_defs[] =
         { "/invites", "Show outstanding chat room invites.",
         { "/invites",
           "--------",
-          "Show all rooms that you have been invited to, and not accepted or declind.",
+          "Show all rooms that you have been invited to, and not accepted or declined.",
           NULL } } },
 
     { "/decline",
@@ -373,7 +373,7 @@ static struct cmd_t command_defs[] =
         { "/decline room", "Decline a chat room invite.",
         { "/decline room",
           "-------------",
-          "Decline a chat room ivivation.",
+          "Decline a chat room invitation.",
           "",
           "room : The room for the invite you wish to decline.",
           NULL } } },
@@ -573,9 +573,9 @@ static struct cmd_t command_defs[] =
           "Manage subscriptions to contact presence.",
           "",
           "request [jid] : Send a subscription request to the user.",
-          "allow [jid]   : Approve a contact's subscription reqeust.",
+          "allow [jid]   : Approve a contact's subscription request.",
           "deny [jid]    : Remove subscription for a contact, or deny a request",
-          "show [jid]    : Show subscriprion status for a contact.",
+          "show [jid]    : Show subscription status for a contact.",
           "sent          : Show all sent subscription requests pending a response.",
           "received      : Show all received subscription requests awaiting your response.",
           "",
@@ -613,7 +613,7 @@ static struct cmd_t command_defs[] =
           "  any         : Contacts with any status (same as calling with no argument).",
           "role        : moderator|participant|visitor",
           "affiliation : owner|admin|member",
-          "group       : Filter the results by the specfied group.",
+          "group       : Filter the results by the specified group.",
           NULL } } },
 
     { "/close",
@@ -701,20 +701,20 @@ static struct cmd_t command_defs[] =
 
     { "/notify",
         cmd_notify, parse_args, 2, 3, &cons_notify_setting,
-        { "/notify [type value]|[type setting value]", "Control various desktop noficiations.",
+        { "/notify [type value]|[type setting value]", "Control various desktop notifications.",
         { "/notify [type value]|[type setting value]",
           "-----------------------------------------",
           "Settings for various kinds of desktop notifications.",
           "",
-          "message on|off         : Notificaitons for regular messages.",
+          "message on|off         : Notifications for regular messages.",
           "message current on|off : Whether messages in the current window trigger notifications.",
           "message text on|off    : Show message text in message notifications.",
-          "room on|off|mention    : Notificaitons for chat room messages.",
+          "room on|off|mention    : Notifications for chat room messages.",
           "room current on|off    : Whether chat room messages in the current window trigger notifications.",
           "room text on|off       : Show message text in chat room message notifications.",
           "remind seconds         : Notification reminder period for unread messages, use 0 to disable.",
           "typing on|off          : Notifications when contacts are typing.",
-          "typing current of|off  : Whether typing notifications are triggerd for the current window.",
+          "typing current of|off  : Whether typing notifications are triggered for the current window.",
           "invite on|off          : Notifications for chat room invites.",
           "sub on|off             : Notifications for subscription requests.",
           "",
@@ -860,7 +860,7 @@ static struct cmd_t command_defs[] =
           "libver                             : Show which version of the libotr library is being used.",
           "policy manual|opportunistic|always : Set the global OTR policy.",
           "secret [secret]                    : Verify a contacts identity using a shared secret.",
-          "question [question] [answer]       : Verify a contacts identity using a question and expected anwser.",
+          "question [question] [answer]       : Verify a contacts identity using a question and expected answer.",
           "answer [answer]                    : Respond to a question answer verification request with your answer.",
           NULL } } },
 
@@ -925,9 +925,9 @@ static struct cmd_t command_defs[] =
     { "/ping",
         cmd_ping, parse_args, 0, 1, NULL,
         { "/ping [target]", "Send ping IQ request.",
-        { "/ping [rarget]",
+        { "/ping [target]",
           "--------------",
-          "Sends an IQ ping stanza to the specificed target.",
+          "Sends an IQ ping stanza to the specified target.",
           "If no target is supplied, your chat server will be pinged.",
           NULL } } },
 
diff --git a/src/config/accounts.c b/src/config/accounts.c
index dd0d6eb4..6c04549c 100644
--- a/src/config/accounts.c
+++ b/src/config/accounts.c
@@ -828,7 +828,7 @@ _fix_legacy_accounts(const char * const account_name)
         _save_accounts();
     }
 
-    // acounts with no muc service or nick
+    // accounts with no muc service or nick
     if (!g_key_file_has_key(accounts, account_name, "muc.service", NULL)) {
         gchar *account_jid = g_key_file_get_string(accounts, account_name, "jid", NULL);
         Jid *jidp = jid_create(account_jid);
diff --git a/src/muc.c b/src/muc.c
index 0d606873..ea4ae915 100644
--- a/src/muc.c
+++ b/src/muc.c
@@ -315,7 +315,7 @@ muc_nick_change_pending(const char * const room)
 }
 
 /*
- * Change the current nuck name for the room, call once
+ * Change the current nick name for the room, call once
  * the service has responded
  */
 void
diff --git a/src/roster_list.c b/src/roster_list.c
index 4ec5ea4f..b9a142cb 100644
--- a/src/roster_list.c
+++ b/src/roster_list.c
@@ -286,7 +286,7 @@ roster_get_contacts_by_presence(const char * const presence)
         }
     }
 
-    // resturn all contact structs
+    // return all contact structs
     return result;
 }
 
@@ -303,7 +303,7 @@ roster_get_contacts(void)
         result = g_slist_insert_sorted(result, value, (GCompareFunc)_compare_contacts);
     }
 
-    // resturn all contact structs
+    // return all contact structs
     return result;
 }
 
@@ -321,7 +321,7 @@ roster_get_contacts_online(void)
             result = g_slist_insert_sorted(result, value, (GCompareFunc)_compare_contacts);
     }
 
-    // resturn all contact structs
+    // return all contact structs
     return result;
 }
 
@@ -371,7 +371,7 @@ roster_get_nogroup(void)
         }
     }
 
-    // resturn all contact structs
+    // return all contact structs
     return result;
 }
 
@@ -395,7 +395,7 @@ roster_get_group(const char * const group)
         }
     }
 
-    // resturn all contact structs
+    // return all contact structs
     return result;
 }
 
diff --git a/src/tools/parser.c b/src/tools/parser.c
index 98fc21d4..1f8a5220 100644
--- a/src/tools/parser.c
+++ b/src/tools/parser.c
@@ -47,9 +47,9 @@
  *
  * inp - The line of input
  * min - The minimum allowed number of arguments
- * max - The maxmimum allowed number of arguments
+ * max - The maximum allowed number of arguments
  *
- * Returns - An NULL terminated array of strings representing the aguments
+ * Returns - An NULL terminated array of strings representing the arguments
  * of the command, or NULL if the validation fails.
  *
  * E.g. the following input line:
@@ -69,7 +69,7 @@ parse_args(const char * const inp, int min, int max, gboolean *result)
         return NULL;
     }
 
-    // copy and strip input of leading/trailing whitepsace
+    // copy and strip input of leading/trailing whitespace
     char *copy = strdup(inp);
     g_strstrip(copy);
 
@@ -181,9 +181,9 @@ parse_args(const char * const inp, int min, int max, gboolean *result)
  *
  * inp - The line of input
  * min - The minimum allowed number of arguments
- * max - The maxmimum allowed number of arguments
+ * max - The maximum allowed number of arguments
  *
- * Returns - An NULL terminated array of strings representing the aguments
+ * Returns - An NULL terminated array of strings representing the arguments
  * of the command, or NULL if the validation fails.
  *
  * E.g. the following input line:
diff --git a/src/ui/console.c b/src/ui/console.c
index 395e8da6..5624bdeb 100644
--- a/src/ui/console.c
+++ b/src/ui/console.c
@@ -723,7 +723,7 @@ cons_show_account(ProfAccount *account)
         if (curr != NULL) {
             win_save_println(console, "Resources:");
 
-            // sort in order of availabiltiy
+            // sort in order of availability
             while (curr != NULL) {
                 Resource *resource = curr->data;
                 ordered_resources = g_list_insert_sorted(ordered_resources,
diff --git a/src/ui/core.c b/src/ui/core.c
index 29b90789..b9f526cc 100644
--- a/src/ui/core.c
+++ b/src/ui/core.c
@@ -1873,7 +1873,7 @@ ui_room_message(const char * const roomjid, const char * const nick,
         if (wins_is_current(window)) {
             status_bar_active(num);
 
-        // not currenlty on groupchat window
+        // not currently on groupchat window
         } else {
             status_bar_new(num);
             cons_show_incoming_message(nick, num);
@@ -1957,7 +1957,7 @@ ui_room_requires_config(const char * const roomjid)
         if (wins_is_current(window)) {
             status_bar_active(num);
 
-        // not currenlty on groupchat window
+        // not currently on groupchat window
         } else {
             status_bar_new(num);
         }
@@ -2098,7 +2098,7 @@ ui_room_subject(const char * const roomjid, const char * const nick, const char
         if (wins_is_current(window)) {
             status_bar_active(num);
 
-        // not currenlty on groupchat window
+        // not currently on groupchat window
         } else {
             status_bar_active(num);
         }
@@ -2132,7 +2132,7 @@ ui_room_broadcast(const char * const roomjid, const char * const message)
         if (wins_is_current(window)) {
             status_bar_active(num);
 
-        // not currenlty on groupchat window
+        // not currently on groupchat window
         } else {
             status_bar_new(num);
         }
diff --git a/src/ui/statusbar.c b/src/ui/statusbar.c
index 58f3fc58..b9244fcd 100644
--- a/src/ui/statusbar.c
+++ b/src/ui/statusbar.c
@@ -192,7 +192,7 @@ status_bar_inactive(const int win)
             is_new[11] = TRUE;
             _mark_new(11);
 
-        // still have active winsows
+        // still have active windows
         } else if (g_hash_table_size(remaining_active) != 0) {
             is_active[11] = TRUE;
             is_new[11] = FALSE;
@@ -241,7 +241,7 @@ status_bar_active(const int win)
             _mark_active(11);
         }
 
-    // visible winsow indicators
+    // visible window indicators
     } else {
         is_active[true_win] = TRUE;
         is_new[true_win] = FALSE;
diff --git a/src/ui/window.c b/src/ui/window.c
index 0bd6c124..96bfd546 100644
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -722,7 +722,7 @@ win_show_info(ProfWin *window, PContact contact)
     if (resources != NULL) {
         win_save_print(window, '-', NULL, 0, 0, "", "Resources:");
 
-        // sort in order of availabiltiy
+        // sort in order of availability
         GList *curr = resources;
         while (curr != NULL) {
             Resource *resource = curr->data;
diff --git a/src/xmpp/presence.c b/src/xmpp/presence.c
index a0d9e0f1..f4c45318 100644
--- a/src/xmpp/presence.c
+++ b/src/xmpp/presence.c
@@ -517,7 +517,7 @@ _handle_caps(char *jid, XMPPCaps *caps)
             }
         }
 
-    // unsupported hash, xep-0115, assoiciate with JID, no cache
+    // unsupported hash, xep-0115, associate with JID, no cache
     } else if (caps->hash) {
         log_info("Hash %s not supported: %s, sending service discovery request", caps->hash, jid);
         char *id = create_unique_id("caps");