diff --git a/src/Pty.cpp b/src/Pty.cpp
index 7fc2888c..9aaf9219 100644
--- a/src/Pty.cpp
+++ b/src/Pty.cpp
@@ -167,7 +167,7 @@ int Pty::start(const QString& program,
   // this fixes the problem where KCatalog sets the LANGUAGE environment
   // variable during the application's startup to something which
   // differs from LANG,LC_* etc. and causes programs run from
-  // the terminal to display mesages in the wrong language
+  // the terminal to display messages in the wrong language
   //
   // this can happen if LANG contains a language which KDE
   // does not have a translation for
diff --git a/src/Screen.h b/src/Screen.h
index 012ced5e..c2dbdadc 100644
--- a/src/Screen.h
+++ b/src/Screen.h
@@ -229,11 +229,11 @@ public:
     bool getMode     (int mode) const;
    
     /** 
-     * Saves the current position and appearence (text color and style) of the cursor. 
+     * Saves the current position and appearance (text color and style) of the cursor. 
      * It can be restored by calling restoreCursor() 
      */ 
     void saveCursor  ();
-    /** Restores the position and appearence of the cursor.  See saveCursor() */
+    /** Restores the position and appearance of the cursor.  See saveCursor() */
     void restoreCursor();
    
     /** Clear the whole screen, moving the current screen contents into the history first. */ 
@@ -259,14 +259,14 @@ public:
     void helpAlign   ();
        
     /** 
-     * Enables the given @p rendition flag.  Rendition flags control the appearence 
+     * Enables the given @p rendition flag.  Rendition flags control the appearance 
      * of characters on the screen.
      *
      * @see Character::rendition
      */  
     void setRendition  (int rendition);
     /**
-     * Disables the given @p rendition flag.  Rendition flags control the appearence
+     * Disables the given @p rendition flag.  Rendition flags control the appearance
      * of characters on the screen.
      *
      * @see Character::rendition
diff --git a/src/SessionManager.h b/src/SessionManager.h
index 90f1ca6a..b7bbde56 100644
--- a/src/SessionManager.h
+++ b/src/SessionManager.h
@@ -143,7 +143,7 @@ public:
      * send keyboard or mouse input to it.
      *
      * @param profile A profile containing the settings for the new session.  If @p profile 
-	 * is null the defaul profile (see defaultProfile()) will be used.
+	 * is null the default profile (see defaultProfile()) will be used.
      */
     Session* createSession(Profile::Ptr profile = Profile::Ptr());