diff --git a/src/core/core.cpp b/src/core/core.cpp
index 5c7507f85b..86cd347b61 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -575,7 +575,7 @@ void Core::onConferenceTitleChange(Tox* tox, uint32_t conferenceId, uint32_t pee
 void Core::onReadReceiptCallback(Tox* tox, uint32_t friendId, uint32_t receipt, void* core)
 {
     std::ignore = tox;
-    emit static_cast<Core*>(core)->receiptRecieved(friendId, ReceiptNum{receipt});
+    emit static_cast<Core*>(core)->receiptReceived(friendId, ReceiptNum{receipt});
 }
 
 void Core::acceptFriendRequest(const ToxPk& friendPk)
diff --git a/src/core/core.h b/src/core/core.h
index c4731970f2..a7d6e64bb3 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -177,7 +177,7 @@ public slots:
     void conferenceJoined(int conferencenumber, ConferenceId conferenceId);
     void actionSentResult(uint32_t friendId, const QString& action, int success);
 
-    void receiptRecieved(int friedId, ReceiptNum receipt);
+    void receiptReceived(int friedId, ReceiptNum receipt);
 
     void failedToRemoveFriend(uint32_t friendId);
 
diff --git a/src/persistence/db/upgrades/dbto11.cpp b/src/persistence/db/upgrades/dbto11.cpp
index 597678fc3e..61ddf459d6 100644
--- a/src/persistence/db/upgrades/dbto11.cpp
+++ b/src/persistence/db/upgrades/dbto11.cpp
@@ -58,7 +58,7 @@ bool DbTo11::appendSplitPeersQueries(RawDatabase& db, QVector<RawDatabase::Query
     // splitting peers table into separate chat and authors table.
     // peers had a dual-meaning of each friend having their own chat, but also each peer
     // being authors of messages. This wasn't true for self which was in the peers table
-    // but had no related chat. For upcomming group history, the confusion is amplified
+    // but had no related chat. For upcoming group history, the confusion is amplified
     // since each group is a chat so is in peers, but authors no messages, and each group
     // member is an author so is in peers, but has no chat.
     // Splitting peers makes the relation much clearer and the tables have a single meaning.
diff --git a/src/video/cameradevice.cpp b/src/video/cameradevice.cpp
index 07bb52b400..df94223fa9 100644
--- a/src/video/cameradevice.cpp
+++ b/src/video/cameradevice.cpp
@@ -417,7 +417,7 @@ bool CameraDevice::isScreen(const QString& devName)
 
 /**
  * @brief Get list of resolutions and position of screens
- * @return Vector of avaliable screen modes with offset
+ * @return Vector of available screen modes with offset
  */
 QVector<VideoMode> CameraDevice::getScreenModes()
 {
diff --git a/src/widget/categorywidget.cpp b/src/widget/categorywidget.cpp
index 6278804df7..f2d32fa102 100644
--- a/src/widget/categorywidget.cpp
+++ b/src/widget/categorywidget.cpp
@@ -76,7 +76,7 @@ void CategoryWidget::setExpanded(bool isExpanded, bool save)
     expanded = isExpanded;
     setMouseTracking(true);
 
-    // The listWidget will recieve a enterEvent for some reason if now visible.
+    // The listWidget will receive a enterEvent for some reason if now visible.
     // Using the following, we prevent that.
     listWidget->setAttribute(Qt::WA_TransparentForMouseEvents, true);
     listWidget->setVisible(isExpanded);
diff --git a/src/widget/chatformheader.cpp b/src/widget/chatformheader.cpp
index b313c8a7c7..f7ed7781b0 100644
--- a/src/widget/chatformheader.cpp
+++ b/src/widget/chatformheader.cpp
@@ -220,26 +220,26 @@ void ChatFormHeader::removeCallConfirm()
 
 void ChatFormHeader::updateCallButtons(bool online, bool audio, bool video)
 {
-    const bool audioAvaliable = online && (mode & Mode::Audio);
-    const bool videoAvaliable = online && (mode & Mode::Video);
-    if (!audioAvaliable) {
+    const bool audioAvailable = online && (mode & Mode::Audio);
+    const bool videoAvailable = online && (mode & Mode::Video);
+    if (!audioAvailable) {
         callState = CallButtonState::Disabled;
     } else if (video) {
         callState = CallButtonState::Disabled;
     } else if (audio) {
         callState = CallButtonState::InCall;
     } else {
-        callState = CallButtonState::Avaliable;
+        callState = CallButtonState::Available;
     }
 
-    if (!videoAvaliable) {
+    if (!videoAvailable) {
         videoState = CallButtonState::Disabled;
     } else if (video) {
         videoState = CallButtonState::InCall;
     } else if (audio) {
         videoState = CallButtonState::Disabled;
     } else {
-        videoState = CallButtonState::Avaliable;
+        videoState = CallButtonState::Available;
     }
 
     updateButtonsView();
diff --git a/src/widget/chatformheader.h b/src/widget/chatformheader.h
index c361f3ab6a..c4aafa8965 100644
--- a/src/widget/chatformheader.h
+++ b/src/widget/chatformheader.h
@@ -27,7 +27,7 @@ class ChatFormHeader : public QWidget
     enum class CallButtonState
     {
         Disabled = 0,  // Grey
-        Avaliable = 1, // Green
+        Available = 1, // Green
         InCall = 2,    // Red
         Outgoing = 3,  // Yellow
         Incoming = 4,  // Yellow
diff --git a/src/widget/form/chatform.cpp b/src/widget/form/chatform.cpp
index af7cd74df0..168344f657 100644
--- a/src/widget/form/chatform.cpp
+++ b/src/widget/form/chatform.cpp
@@ -215,7 +215,7 @@ ChatForm::~ChatForm()
 void ChatForm::setStatusMessage(const QString& newMessage)
 {
     statusMessageLabel->setText(newMessage);
-    // for long messsages
+    // for long messages
     statusMessageLabel->setToolTip(Qt::convertFromPlainText(newMessage, Qt::WhiteSpaceNormal));
 }
 
diff --git a/src/widget/widget.cpp b/src/widget/widget.cpp
index eac44635ea..c4373fdf8d 100644
--- a/src/widget/widget.cpp
+++ b/src/widget/widget.cpp
@@ -725,7 +725,7 @@ void Widget::onCoreChanged(Core& core_)
     connect(core, &Core::friendStatusMessageChanged, this, &Widget::onFriendStatusMessageChanged);
     connect(core, &Core::friendRequestReceived, this, &Widget::onFriendRequestReceived);
     connect(core, &Core::friendMessageReceived, this, &Widget::onFriendMessageReceived);
-    connect(core, &Core::receiptRecieved, this, &Widget::onReceiptReceived);
+    connect(core, &Core::receiptReceived, this, &Widget::onReceiptReceived);
     connect(core, &Core::conferenceInviteReceived, this, &Widget::onConferenceInviteReceived);
     connect(core, &Core::conferenceMessageReceived, this, &Widget::onConferenceMessageReceived);
     connect(core, &Core::conferencePeerlistChanged, this, &Widget::onConferencePeerlistChanged);