diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index aa03e50e5de537..75717d020d3745 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -210,7 +210,7 @@ There are two ways to run TensorFlow unit tests.
     bazel test ${flags} tensorflow/python/kernel_tests:softmax_op_test
     ```
 
-    For a single/parametrized test e.g. `test_capture_variables` in
+    For a single/parameterized test e.g. `test_capture_variables` in
     `tensorflow/python/saved_model/load_test.py`:
 
     (Requires `python>=3.7`)
@@ -225,7 +225,7 @@ There are two ways to run TensorFlow unit tests.
     test to timeout but it could be useful when you need to execute a single
     test or more in general your filtered/selected tests have a very low
     execution time and the sharding
-    [could create an overhead on the test esecution](https://github.com/bazelbuild/bazel/issues/2113#issuecomment-264054799).
+    [could create an overhead on the test execution](https://github.com/bazelbuild/bazel/issues/2113#issuecomment-264054799).
 
 2.  Using [Docker](https://www.docker.com) and TensorFlow's CI scripts.
 
diff --git a/tensorflow/security/README.md b/tensorflow/security/README.md
index bdf4d0e075e4ea..d1d32ce7aec53a 100644
--- a/tensorflow/security/README.md
+++ b/tensorflow/security/README.md
@@ -21,7 +21,7 @@ in
 | [TFSA-2021-195](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-195.md)   | Overflow/crash in `tf.image.resize` when size is large                             | < 2.7.0             | (Reported on GitHub)                          | [issue](https://github.com/tensorflow/tensorflow/issues/46914) |
 | [TFSA-2021-194](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-194.md)   | Overflow/crash in `tf.range`                                                       | < 2.7.0             | (Reported on GitHub)                          | [issue](https://github.com/tensorflow/tensorflow/issues/46912), [issue](https://github.com/tensorflow/tensorflow/issues/46899), [issue](https://github.com/tensorflow/tensorflow/issues/46889) |
 | [TFSA-2021-193](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-193.md)   | Missing validation during checkpoint loading                                       | < 2.7.0             | (discovered internally)                       |  |
-| [TFSA-2021-192](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-192.md)   | Unitialized access in `EinsumHelper::ParseEquation`                                | < 2.7.0             | (discovered internally)                       |  |
+| [TFSA-2021-192](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-192.md)   | Uninitialized access in `EinsumHelper::ParseEquation`                                | < 2.7.0             | (discovered internally)                       |  |
 | [TFSA-2021-191](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-191.md)   | Segfault while copying constant resource tensor                                    | < 2.7.0             | (discovered internally)                       |  |
 | [TFSA-2021-190](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-190.md)   | Incomplete validation of shapes in multiple TF ops                                 | < 2.7.0             | (discovered internally)                       |  |
 | [TFSA-2021-189](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-189.md)   | Incomplete validation in boosted trees code                                        | < 2.7.0             | Aivul Team from Qihoo 360                     |  |
@@ -122,7 +122,7 @@ in
 | [TFSA-2021-094](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-094.md)   | Heap OOB read in TFLite                                                            | < 2.5.0             | Aivul Team from Qihoo 360                     |  |
 | [TFSA-2021-093](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-093.md)   | Heap OOB write in TFLite                                                           | < 2.5.0             | Aivul Team from Qihoo 360                     |  |
 | [TFSA-2021-092](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-092.md)   | Integer overflow in TFLite memory allocation                                       | < 2.5.0             | Aivul Team from Qihoo 360                     |  |
-| [TFSA-2021-091](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-091.md)   | Integer overflow in TFLite concatentation                                          | < 2.5.0             | Aivul Team from Qihoo 360                     |  |
+| [TFSA-2021-091](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-091.md)   | Integer overflow in TFLite concatenation                                          | < 2.5.0             | Aivul Team from Qihoo 360                     |  |
 | [TFSA-2021-090](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-090.md)   | Division by zero in TFLite's implementation of hashtable lookup                    | < 2.5.0             | Aivul Team from Qihoo 360                     |  |
 | [TFSA-2021-089](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-089.md)   | Division by zero in TFLite's implementation of `DepthwiseConv`                     | < 2.5.0             | Aivul Team from Qihoo 360                     |  |
 | [TFSA-2021-088](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2021-088.md)   | Division by zero in TFLite's implementation of `OneHot`                            | < 2.5.0             | Aivul Team from Qihoo 360                     |  |