diff --git a/Modules/FindKDE3.cmake b/Modules/FindKDE3.cmake
index 9d1081405..ca3dae646 100644
--- a/Modules/FindKDE3.cmake
+++ b/Modules/FindKDE3.cmake
@@ -131,7 +131,7 @@ ENDIF(KDECONFIG_EXECUTABLE)
 
 
 
-# at first the KDE include direcory
+# at first the KDE include directory
 # kpassdlg.h comes from kdeui and doesn't exist in KDE4 anymore
 FIND_PATH(KDE3_INCLUDE_DIR kpassdlg.h
   HINTS
diff --git a/Modules/FindQt4.cmake b/Modules/FindQt4.cmake
index 2f1708d70..d157dabaa 100644
--- a/Modules/FindQt4.cmake
+++ b/Modules/FindQt4.cmake
@@ -70,7 +70,7 @@
 #  
 #  macro QT4_WRAP_CPP(outfiles inputfile ... OPTIONS ...)
 #        create moc code from a list of files containing Qt class with
-#        the Q_OBJECT declaration.  Per-direcotry preprocessor definitions 
+#        the Q_OBJECT declaration.  Per-directory preprocessor definitions
 #        are also added.  Options may be given to moc, such as those found
 #        when executing "moc -help".  
 #
diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 24ac96610..75aa4712c 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -1043,7 +1043,7 @@ int cmake::AddCMakePaths()
       {
       cMakeRoot = cMakeRoot.substr(0, slashPos);
       }
-    // is there no Modules direcory there?
+    // is there no Modules directory there?
     modules = cMakeRoot + "/Modules/CMake.cmake";
     }
 
@@ -1072,7 +1072,7 @@ int cmake::AddCMakePaths()
     {
     // next try exe
     cMakeRoot  = cmSystemTools::GetProgramPath(cMakeSelf.c_str());
-    // is there no Modules direcory there?
+    // is there no Modules directory there?
     modules = cMakeRoot + "/Modules/CMake.cmake";
     }
   if (!cmSystemTools::FileExists(modules.c_str()))
diff --git a/Utilities/cmlibarchive/libarchive/archive_read_disk_posix.c b/Utilities/cmlibarchive/libarchive/archive_read_disk_posix.c
index 7d7eecadc..365a874a9 100644
--- a/Utilities/cmlibarchive/libarchive/archive_read_disk_posix.c
+++ b/Utilities/cmlibarchive/libarchive/archive_read_disk_posix.c
@@ -925,7 +925,7 @@ _archive_read_next_header2(struct archive *_a, struct archive_entry *entry)
 	if (fd < 0)
 		tree_enter_working_dir(t);
 
-	/* The current direcotry fd is needed at
+	/* The current directory fd is needed at
 	 * archive_read_disk_entry_from_file() function to read link data
 	 * with readlinkat(). */
 	a->entry_wd_fd = tree_current_dir_fd(t);
diff --git a/Utilities/cmlibarchive/libarchive/archive_read_disk_windows.c b/Utilities/cmlibarchive/libarchive/archive_read_disk_windows.c
index d8a1f5577..217a91a86 100644
--- a/Utilities/cmlibarchive/libarchive/archive_read_disk_windows.c
+++ b/Utilities/cmlibarchive/libarchive/archive_read_disk_windows.c
@@ -955,7 +955,7 @@ _archive_read_disk_open_w(struct archive *_a, const wchar_t *pathname)
 		a->tree = tree_open(pathname, a->symlink_mode, a->restore_time);
 	if (a->tree == NULL) {
 		archive_set_error(&a->archive, ENOMEM,
-		    "Can't allocate direcotry traversal data");
+		    "Can't allocate directory traversal data");
 		a->archive.state = ARCHIVE_STATE_FATAL;
 		return (ARCHIVE_FATAL);
 	}