diff --git a/src/EditProfileDialog.h b/src/EditProfileDialog.h
index 746cb43d71b8a075fd237c2b4154f44e2d63baf4..4a592761445eb819afca93b826e4b724e84a5b77 100644
--- a/src/EditProfileDialog.h
+++ b/src/EditProfileDialog.h
@@ -17,8 +17,8 @@
     02110-1301  USA.
 */
 
-#ifndef EDITSESSIONDIALOG_H
-#define EDITSESSIONDIALOG_H
+#ifndef EDITPROFILEDIALOG_H
+#define EDITPROFILEDIALOG_H
 
 // Qt
 #include <QtGui/QAbstractItemDelegate>
@@ -272,5 +272,5 @@ public:
 };
 
 }
-#endif // EDITSESSIONDIALOG_H
 
+#endif // EDITPROFILEDIALOG_H
diff --git a/src/Part.h b/src/Part.h
index 1015855257236c336df5009105c8dcbb9f0ada53..5ea2286ec9b885fd810633dbc8f94a53195b9fa2 100644
--- a/src/Part.h
+++ b/src/Part.h
@@ -57,7 +57,7 @@ Q_OBJECT
     Q_INTERFACES(TerminalInterface) 
 public:
     /** Constructs a new Konsole part with the specified parent. */
-    Part(QWidget* parentWidget , QObject* parent = 0);
+    explicit Part(QWidget* parentWidget , QObject* parent = 0);
     virtual ~Part();
 
     /** Reimplemented from TerminalInterface. */
diff --git a/src/ProfileList.h b/src/ProfileList.h
index f1cd805940c7bc4aeaa5829574bc9103f73547ce..d39bd271690cdf52d003242ded5e11fa0f22dd3b 100644
--- a/src/ProfileList.h
+++ b/src/ProfileList.h
@@ -17,8 +17,8 @@
     02110-1301  USA.
 */
 
-#ifndef SESSIONLIST_H
-#define SESSIONLIST_H
+#ifndef PROFILELIST_H
+#define PROFILELIST_H
 
 #include <QtCore/QList>
 #include <QtCore/QObject>
@@ -95,4 +95,4 @@ private:
 
 }
 
-#endif
+#endif // PROFILELIST_H
diff --git a/src/ProfileListWidget.h b/src/ProfileListWidget.h
index 97418c038d086b6b606985cb6486394ec587c57e..297708c67d8b27a1a9a1728c3d8135de2167ef37 100644
--- a/src/ProfileListWidget.h
+++ b/src/ProfileListWidget.h
@@ -17,8 +17,8 @@
     02110-1301  USA.
 */
 
-#ifndef SESSIONLISTWIDGET_H
-#define SESSIONLISTWIDGET_H
+#ifndef PROFILELISTWIDGET_H
+#define PROFILELISTWIDGET_H
 
 // Qt
 #include <QtGui/QListWidget>
@@ -54,4 +54,4 @@ public:
                             const QModelIndex& index) const;
 };*/
 
-#endif // SESSIONLISTWIDGET_H
+#endif // PROFILELISTWIDGET_H
diff --git a/src/Pty.h b/src/Pty.h
index b5d6b36c4b4514d316fa30e6168efbe21cca1be9..f5426e12d2b876a9597a5e2ccb7202d0ad3afbfd 100644
--- a/src/Pty.h
+++ b/src/Pty.h
@@ -74,7 +74,7 @@ Q_OBJECT
      * @param program Path to the program to start
      * @param arguments Arguments to pass to the program being started
      * @param environment A list of key=value pairs which will be added
-     * to the environemnt for the new process.  At the very least this
+     * to the environment for the new process.  At the very least this
      * should include an assignment for the TERM environment variable.
      * @param winid Specifies the value of the WINDOWID environment variable
      * in the process's environment.