diff --git a/typo3/sysext/core/Classes/Cache/Backend/AbstractBackend.php b/typo3/sysext/core/Classes/Cache/Backend/AbstractBackend.php
index 99dc50bf06f7cee0d101253fce81a6c53ce281bb..cd459a118807d1b73e91eb8cfbf1d29380020d49 100644
--- a/typo3/sysext/core/Classes/Cache/Backend/AbstractBackend.php
+++ b/typo3/sysext/core/Classes/Cache/Backend/AbstractBackend.php
@@ -93,7 +93,7 @@ abstract class AbstractBackend implements \TYPO3\CMS\Core\Cache\Backend\BackendI
     /**
      * Sets the default lifetime for this cache backend
      *
-     * @param int $defaultLifetime Default lifetime of this cache backend in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $defaultLifetime Default lifetime of this cache backend in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @throws \InvalidArgumentException
      * @api
diff --git a/typo3/sysext/core/Classes/Cache/Backend/ApcBackend.php b/typo3/sysext/core/Classes/Cache/Backend/ApcBackend.php
index 4442ca453efe2e7a89409c315423fe0c3766ccd3..e2a42b7c18542e62dd86f9c18c54ea602d54994a 100644
--- a/typo3/sysext/core/Classes/Cache/Backend/ApcBackend.php
+++ b/typo3/sysext/core/Classes/Cache/Backend/ApcBackend.php
@@ -125,7 +125,7 @@ class ApcBackend extends \TYPO3\CMS\Core\Cache\Backend\AbstractBackend implement
      * @param string $entryIdentifier An identifier for this specific cache entry
      * @param string $data The data to be stored
      * @param array $tags Tags to associate with this cache entry
-     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @throws \TYPO3\CMS\Core\Cache\Exception if no cache frontend has been set.
      * @throws \TYPO3\CMS\Core\Cache\Exception\InvalidDataException if $data is not a string
diff --git a/typo3/sysext/core/Classes/Cache/Backend/ApcuBackend.php b/typo3/sysext/core/Classes/Cache/Backend/ApcuBackend.php
index 30a19720e9f596b1054f4b572b65d09ce1944bcc..c852e1b65ebc12ec82ae466566ca58aec7ff4993 100644
--- a/typo3/sysext/core/Classes/Cache/Backend/ApcuBackend.php
+++ b/typo3/sysext/core/Classes/Cache/Backend/ApcuBackend.php
@@ -126,7 +126,7 @@ class ApcuBackend extends AbstractBackend implements TaggableBackendInterface
      * @param string $entryIdentifier An identifier for this specific cache entry
      * @param string $data The data to be stored
      * @param array $tags Tags to associate with this cache entry
-     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @throws Cache\Exception if no cache frontend has been set.
      * @throws Cache\Exception\InvalidDataException if $data is not a string
diff --git a/typo3/sysext/core/Classes/Cache/Backend/PdoBackend.php b/typo3/sysext/core/Classes/Cache/Backend/PdoBackend.php
index 2fed47c29b1daaf9f03e90cb0afa0abafdde2efe..b9a48c6ae968566bace702e465bfe1fe931a735c 100644
--- a/typo3/sysext/core/Classes/Cache/Backend/PdoBackend.php
+++ b/typo3/sysext/core/Classes/Cache/Backend/PdoBackend.php
@@ -97,7 +97,7 @@ class PdoBackend extends \TYPO3\CMS\Core\Cache\Backend\AbstractBackend implement
      * @param string $entryIdentifier An identifier for this specific cache entry
      * @param string $data The data to be stored
      * @param array $tags Tags to associate with this cache entry
-     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @throws \TYPO3\CMS\Core\Cache\Exception if no cache frontend has been set.
      * @throws \InvalidArgumentException if the identifier is not valid
diff --git a/typo3/sysext/core/Classes/Cache/Backend/TransientMemoryBackend.php b/typo3/sysext/core/Classes/Cache/Backend/TransientMemoryBackend.php
index 9c566b8604b452814aa37bbd07e8939f29a892f1..4f7c44d79c9db02fd40b312935a16dfe2efe7f03 100644
--- a/typo3/sysext/core/Classes/Cache/Backend/TransientMemoryBackend.php
+++ b/typo3/sysext/core/Classes/Cache/Backend/TransientMemoryBackend.php
@@ -38,7 +38,7 @@ class TransientMemoryBackend extends \TYPO3\CMS\Core\Cache\Backend\AbstractBacke
      * @param string $entryIdentifier An identifier for this specific cache entry
      * @param string $data The data to be stored
      * @param array $tags Tags to associate with this cache entry
-     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @throws \TYPO3\CMS\Core\Cache\Exception if no cache frontend has been set.
      * @throws \TYPO3\CMS\Core\Cache\Exception\InvalidDataException
diff --git a/typo3/sysext/core/Classes/Cache/Backend/Typo3DatabaseBackend.php b/typo3/sysext/core/Classes/Cache/Backend/Typo3DatabaseBackend.php
index eea0ba5f3ca42864230f95993111b0c2d51ad169..ac96b4e06a6506c42f123c60dd27151208236245 100644
--- a/typo3/sysext/core/Classes/Cache/Backend/Typo3DatabaseBackend.php
+++ b/typo3/sysext/core/Classes/Cache/Backend/Typo3DatabaseBackend.php
@@ -118,7 +118,7 @@ class Typo3DatabaseBackend extends \TYPO3\CMS\Core\Cache\Backend\AbstractBackend
      * @param string $entryIdentifier An identifier for this specific cache entry
      * @param string $data The data to be stored
      * @param array $tags Tags to associate with this cache entry
-     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @throws \TYPO3\CMS\Core\Cache\Exception if no cache frontend has been set.
      * @throws \TYPO3\CMS\Core\Cache\Exception\InvalidDataException if the data to be stored is not a string.
diff --git a/typo3/sysext/core/Classes/Cache/Backend/WincacheBackend.php b/typo3/sysext/core/Classes/Cache/Backend/WincacheBackend.php
index 627eb6a5590ae92756a42ff8788ab4f7fad91e46..52ecbbc579ebcab9acc5ebe5f5ed288d8ced1762 100644
--- a/typo3/sysext/core/Classes/Cache/Backend/WincacheBackend.php
+++ b/typo3/sysext/core/Classes/Cache/Backend/WincacheBackend.php
@@ -64,7 +64,7 @@ class WincacheBackend extends \TYPO3\CMS\Core\Cache\Backend\AbstractBackend impl
      * @param string $entryIdentifier An identifier for this specific cache entry
      * @param string $data The data to be stored
      * @param array $tags Tags to associate with this cache entry
-     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @throws \TYPO3\CMS\Core\Cache\Exception if no cache frontend has been set
      * @throws \InvalidArgumentException if the identifier is not valid
diff --git a/typo3/sysext/core/Classes/Cache/Backend/XcacheBackend.php b/typo3/sysext/core/Classes/Cache/Backend/XcacheBackend.php
index a158c6dd062149b6efe13258a28191205b8ff84a..5e3defcc534b4094d7c906156ce5b8ed4d11aaa0 100644
--- a/typo3/sysext/core/Classes/Cache/Backend/XcacheBackend.php
+++ b/typo3/sysext/core/Classes/Cache/Backend/XcacheBackend.php
@@ -69,7 +69,7 @@ class XcacheBackend extends AbstractBackend implements TaggableBackendInterface
      * @param string $entryIdentifier An identifier for this specific cache entry
      * @param string $data The data to be stored
      * @param array $tags Tags to associate with this cache entry
-     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @throws \TYPO3\CMS\Core\Cache\Exception if no cache frontend has been set
      * @throws \TYPO3\CMS\Core\Cache\Exception\InvalidDataException if $data is not a string
diff --git a/typo3/sysext/core/Classes/Cache/Frontend/FrontendInterface.php b/typo3/sysext/core/Classes/Cache/Frontend/FrontendInterface.php
index 1a246e0764c30e0577ea52348fa5a526441ca6ee..a1731dc46b815f8ff6cab48ae29a871347b60cf1 100644
--- a/typo3/sysext/core/Classes/Cache/Frontend/FrontendInterface.php
+++ b/typo3/sysext/core/Classes/Cache/Frontend/FrontendInterface.php
@@ -57,7 +57,7 @@ interface FrontendInterface
      * @param string $entryIdentifier Something which identifies the data - depends on concrete cache
      * @param mixed $data The data to cache - also depends on the concrete cache implementation
      * @param array $tags Tags to associate with this cache entry
-     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @api
      */
diff --git a/typo3/sysext/core/Classes/Cache/Frontend/PhpFrontend.php b/typo3/sysext/core/Classes/Cache/Frontend/PhpFrontend.php
index a48f8a5de67e93e29c2f220e19669529b21ef6c8..2a327b8ae9a4030294bb53bc58bd5dcfd69eae0c 100644
--- a/typo3/sysext/core/Classes/Cache/Frontend/PhpFrontend.php
+++ b/typo3/sysext/core/Classes/Cache/Frontend/PhpFrontend.php
@@ -42,7 +42,7 @@ class PhpFrontend extends StringFrontend
      * @param string $entryIdentifier An identifier used for this cache entry, for example the class name
      * @param string $sourceCode PHP source code
      * @param array $tags Tags to associate with this cache entry
-     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @throws \InvalidArgumentException If $entryIdentifier or $tags is invalid
      * @throws InvalidDataException If $sourceCode is not a string
diff --git a/typo3/sysext/core/Classes/Cache/Frontend/StringFrontend.php b/typo3/sysext/core/Classes/Cache/Frontend/StringFrontend.php
index 1f6aeaa4ea0c4673baa2a0f037d1086766878a3d..3e3f28afbe83a2916ff9f56d0760bd9b9eaad5f2 100644
--- a/typo3/sysext/core/Classes/Cache/Frontend/StringFrontend.php
+++ b/typo3/sysext/core/Classes/Cache/Frontend/StringFrontend.php
@@ -30,7 +30,7 @@ class StringFrontend extends AbstractFrontend
      * @param string $entryIdentifier An identifier used for this cache entry
      * @param string $string The variable to cache
      * @param array $tags Tags to associate with this cache entry
-     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @throws \InvalidArgumentException if the identifier or tag is not valid
      * @throws InvalidDataException if the variable to cache is not of type string
diff --git a/typo3/sysext/core/Classes/Cache/Frontend/VariableFrontend.php b/typo3/sysext/core/Classes/Cache/Frontend/VariableFrontend.php
index 12d1eeeba1e44ba8d8a47faa9bf5d355872b1427..bb3f7b6da59927d123506026f96d679b89967774 100644
--- a/typo3/sysext/core/Classes/Cache/Frontend/VariableFrontend.php
+++ b/typo3/sysext/core/Classes/Cache/Frontend/VariableFrontend.php
@@ -28,7 +28,7 @@ class VariableFrontend extends AbstractFrontend
      * @param string $entryIdentifier An identifier used for this cache entry
      * @param mixed $variable The variable to cache
      * @param array $tags Tags to associate with this cache entry
-     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited liftime.
+     * @param int $lifetime Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime.
      * @return void
      * @throws \InvalidArgumentException if the identifier or tag is not valid
      * @api