diff --git a/floatingtoolbar.cpp b/floatingtoolbar.cpp
index 39a927f7d3256fa979b308f378ea0cc96d648b49..92418eba982516779ff1070b4ea47cda89e103c8 100644
--- a/floatingtoolbar.cpp
+++ b/floatingtoolbar.cpp
@@ -41,7 +41,7 @@ static const int autoHideTimeout = 500;
 static const int  initialAutoHideTimeout = 2000;
 
 /**
- * Denotes the verious states of the animation.
+ * Denotes the various states of the animation.
  */
 enum AnimState {
     Hiding,
diff --git a/rdp/rdpview.cpp b/rdp/rdpview.cpp
index bc960216bd7504f378813fde8b276422c5ee8303..ab4e83e07bb484b1c251a7b0b8318321318f837b 100644
--- a/rdp/rdpview.cpp
+++ b/rdp/rdpview.cpp
@@ -359,7 +359,7 @@ bool RdpView::start()
     connect(m_process, SIGNAL(error(QProcess::ProcessError)), SLOT(processError(QProcess::ProcessError)));
     connect(m_process, SIGNAL(readyReadStandardError()), SLOT(receivedStandardError()));
     connect(m_process, SIGNAL(readyReadStandardOutput()), SLOT(receivedStandardOutput()));
-    connect(m_process, SIGNAL(finished(int, QProcess::ExitStatus)), SLOT(connectionClosed()));
+    connect(m_process, SIGNAL(finished(int,QProcess::ExitStatus)), SLOT(connectionClosed()));
     connect(m_process, SIGNAL(started()), SLOT(connectionOpened()));
 
     m_process->start(QStringLiteral("xfreerdp"), arguments);
@@ -514,7 +514,7 @@ QString RdpView::keymapToXfreerdp(const QString &keyboadLayout)
 }
 
 // list of xfreerdp --kbd-list
-// this is a mapping for rdesktop comptibilty (old settings will still work)
+// this is a mapping for rdesktop compatibility (old settings will still work)
 // needs to be completed (when not in message freeze; needs new localization)
 QHash<QString, QString> RdpView::initKeymapToXfreerdp()
 {
diff --git a/rdp/rdpview.h b/rdp/rdpview.h
index 1e4ec9cfb28e0f183828fcea1a0ca9d0c8b7d3a7..48ccf6c7f2ccc2ef8723f16c2cc73955f5cc4425 100644
--- a/rdp/rdpview.h
+++ b/rdp/rdpview.h
@@ -80,7 +80,7 @@ private:
 
     void connectionError(const QString &text,
                          const QString &caption); // called if xfreerdp quits with error
-    void connectionClosed(CloseType closeType); // Signals the connection closed if not quiting or it is forced
+    void connectionClosed(CloseType closeType); // Signals the connection closed if not quitting or it is forced
 
     QString keymapToXfreerdp(const QString &keyboadLayout);
     QHash<QString, QString> initKeymapToXfreerdp();
diff --git a/tabbedviewwidget.cpp b/tabbedviewwidget.cpp
index 2dd3e0f7b24c929bfcf1efb2208113a678d1ff5d..44b992bc47deb4772a6852a2019b709f3957852c 100644
--- a/tabbedviewwidget.cpp
+++ b/tabbedviewwidget.cpp
@@ -183,7 +183,7 @@ void TabbedViewWidget::setTabText(int index, const QString &label)
     m_model->emitDataChanged(index);
 }
 
-//This functinality is taken from  KTabWidget for comatibility.
+//This functionality is taken from  KTabWidget for compatibility.
 //KTabWidget has been moved to KdeLibs4Support and QTabWidget::tabBarDoubleClicked does not
 //work on empty space after tabs,
 bool TabbedViewWidget::isEmptyTabbarSpace(const QPoint &point) const
diff --git a/vnc/vncclientthread.cpp b/vnc/vncclientthread.cpp
index 39c0342b7738b95def692d3beb6e49bb25f1c735..98ed6b3e3cfd228482e83a50e861fafcc17eda3c 100644
--- a/vnc/vncclientthread.cpp
+++ b/vnc/vncclientthread.cpp
@@ -252,7 +252,7 @@ rfbCredential *VncClientThread::credentialHandler(int credentialType)
             cred->userCredential.password = strdup(password().toUtf8().constData());
             break;
         default:
-            qCritical(KRDC) << "credential request failed, unspported credentialType:" << credentialType;
+            qCritical(KRDC) << "credential request failed, unsupported credentialType:" << credentialType;
             outputErrorMessage(i18n("VNC authentication type is not supported."));
             break;
     }
diff --git a/vnc/vncsshtunnelthread.h b/vnc/vncsshtunnelthread.h
index 67fbc1cef98a03c91b0e64964c64899c035045fa..a3df682ed4fe529f755a3d2e6dd404ae8f6df6f8 100644
--- a/vnc/vncsshtunnelthread.h
+++ b/vnc/vncsshtunnelthread.h
@@ -23,8 +23,8 @@
 **
 ****************************************************************************/
 
-#ifndef VCNCSSHTUNNELTHREAD_H
-#define VCNCSSHTUNNELTHREAD_H
+#ifndef VNCSSHTUNNELTHREAD_H
+#define VNCSSHTUNNELTHREAD_H
 
 #include <QThread>