Fix trivial typos in text

Some are user facing.

Found using

    codespell -q 3 --skip="./Utilities" -I .cmake-whitelist.txt`

whereby the whitelist contained:

    ans
    dum
    helpfull
    emmited
    emmitted
    buil
    iff
    isnt
    nto
    ot
    pathes
    substract
    te
    todays
    upto
    whitespaces

8 files changed, 8 insertions, 8 deletions

diff --git a/Help/command/add_subdirectory.rst b/Help/command/add_subdirectory.rst
index e979253..012ded4 100644
--- a/Help/command/add_subdirectory.rst
+++ b/Help/command/add_subdirectory.rst
@@ -30,7 +30,7 @@ project that is useful but not necessary, such as a set of examples.
 Typically the subdirectory should contain its own :command:`project`
 command invocation so that a full build system will be generated in the
 subdirectory (such as a VS IDE solution file).  Note that inter-target
-dependencies supercede this exclusion.  If a target built by the
+dependencies supersede this exclusion.  If a target built by the
 parent project depends on a target in the subdirectory, the dependee
 target will be included in the parent project build system to satisfy
 the dependency.
diff --git a/Help/command/file.rst b/Help/command/file.rst
index 4d4ebb4..5ce86e5 100644
--- a/Help/command/file.rst
+++ b/Help/command/file.rst
@@ -110,7 +110,7 @@ regular expressions, but much simpler.  If ``RELATIVE`` flag is
 specified, the results will be returned as relative paths to the given
 path.  The results will be ordered lexicographically.
 
-By default ``GLOB`` lists directories - directories are omited in result if
+By default ``GLOB`` lists directories - directories are omitted in result if
 ``LIST_DIRECTORIES`` is set to false.
 
 .. note::
diff --git a/Help/command/install.rst b/Help/command/install.rst
index 58438b7..9f9ee13 100644
--- a/Help/command/install.rst
+++ b/Help/command/install.rst
@@ -346,7 +346,7 @@ specified that does not match that given to the targets associated with
 included in the export but a target to which it links is not included
 the behavior is unspecified.
 
-In additon to cmake language files, the ``EXPORT_ANDROID_MK`` option maybe
+In addition to cmake language files, the ``EXPORT_ANDROID_MK`` option maybe
 used to specifiy an export to the android ndk build system.  The Android
 NDK supports the use of prebuilt libraries, both static and shared. This
 allows cmake to build the libraries of a project and make them available
diff --git a/Help/dev/testing.rst b/Help/dev/testing.rst
index 731930c..1b29acf 100644
--- a/Help/dev/testing.rst
+++ b/Help/dev/testing.rst
@@ -16,7 +16,7 @@ welcome to provide testing machines in order to help keep support for their
 platforms working.
 
 The `CMake Dashboard Scripts Repository`_ provides CTest scripts to drive
-nightly, continous, and experimental testing of CMake.  Use the following
+nightly, continuous, and experimental testing of CMake.  Use the following
 commands to set up a new integration testing client:
 
 .. code-block:: console
diff --git a/Help/release/3.4.rst b/Help/release/3.4.rst
index 89c5561..468627e 100644
--- a/Help/release/3.4.rst
+++ b/Help/release/3.4.rst
@@ -66,7 +66,7 @@ Variables
 Properties
 ----------
 
-* :ref:`Visual Studio Generators` learned to support additonal
+* :ref:`Visual Studio Generators` learned to support additional
   target properties to customize projects for NVIDIA Nsight
   Tegra Visual Studio Edition:
 
diff --git a/Help/release/3.6.rst b/Help/release/3.6.rst
index 144537d..a542b77 100644
--- a/Help/release/3.6.rst
+++ b/Help/release/3.6.rst
@@ -111,7 +111,7 @@ Modules
 
 * The :module:`ExternalProject` module learned to initialize Git submodules
   recursively and also to initialize new submodules on updates.  Use the
-  ``GIT_SUBMODULES`` option to restrict which submodules are initalized and
+  ``GIT_SUBMODULES`` option to restrict which submodules are initialized and
   updated.
 
 * The :module:`ExternalProject` module leared the ``DOWNLOAD_NO_EXTRACT 1``
diff --git a/Help/release/3.7.rst b/Help/release/3.7.rst
index 4c51af4..d4d374b 100644
--- a/Help/release/3.7.rst
+++ b/Help/release/3.7.rst
@@ -237,7 +237,7 @@ CPack
 
 * The :module:`CPackIFW` module :command:`cpack_ifw_configure_component` and
   :command:`cpack_ifw_configure_component_group` commands gained a new
-  ``USER_INTERFACES`` option to add a list of additonal pages to the IFW
+  ``USER_INTERFACES`` option to add a list of additional pages to the IFW
   installer.
 
 * The :module:`CPackRPM` module learned to generate debuginfo
diff --git a/Help/variable/LIBRARY_OUTPUT_PATH.rst b/Help/variable/LIBRARY_OUTPUT_PATH.rst
index ba02911..bb4328f 100644
--- a/Help/variable/LIBRARY_OUTPUT_PATH.rst
+++ b/Help/variable/LIBRARY_OUTPUT_PATH.rst
@@ -5,5 +5,5 @@ Old library location variable.
 
 The target properties :prop_tgt:`ARCHIVE_OUTPUT_DIRECTORY`,
 :prop_tgt:`LIBRARY_OUTPUT_DIRECTORY`, and :prop_tgt:`RUNTIME_OUTPUT_DIRECTORY`
-supercede this variable for a target if they are set.  Library targets are
+supersede this variable for a target if they are set.  Library targets are
 otherwise placed in this directory.