Merge pull request microsoft#14 from eltociear/patch-1

Update README.md

README.md

@@ -39,7 +39,7 @@ Ultimately, you could consider taking the [Exam SC-900: Microsoft Security, Comp
 | **1.1**           | Basic security concepts                   | [The CIA triad](https://github.com/microsoft/Security-101/blob/main/1.1%20The%20CIA%20triad%20and%20other%20key%20concepts.md)                        | Learn about confidentiality, availability and integrity. Also authenticity and also nonrepudiation and privacy. |
 | **1.2**           | Basic security concepts                   | [Common cyber security threats](https://github.com/microsoft/Security-101/blob/main/1.2%20Common%20cybersecurity%20threats.md)        | Learn about the common cyber security threats facing individuals and organizations.                             |
 | **1.3**           | Basic security concepts                   | [Understanding risk management](https://github.com/microsoft/Security-101/blob/main/1.3%20Understanding%20risk%20management.md)       | Learn about assessing and understanding risk – impact/likelihood and implementing controls.                                                                                                               | |
-| **1.4**           | Basic security concepts                   | [Security practices and documentation](https://github.com/microsoft/Security-101/blob/main/1.4%20Security%20practices%20and%20documentation.md) | Learn about the difference between polices, procedures, standards and regulations/laws.                         |
+| **1.4**           | Basic security concepts                   | [Security practices and documentation](https://github.com/microsoft/Security-101/blob/main/1.4%20Security%20practices%20and%20documentation.md) | Learn about the difference between policies, procedures, standards and regulations/laws.                         |
 | **1.5**           | Basic security concepts                   | [The shared responsibility model](https://github.com/microsoft/Security-101/blob/main/1.6%20Shared%20responsibility%20model.md)                           | What is the shared responsibility model and how does it affect cyber security?                  |
 | **1.6**           | Basic security concepts                   | [Zero trust](https://github.com/microsoft/Security-101/blob/main/1.5%20Zero%20trust.md)                           | Learn about what is zero trust and how does it affect architecture? What is defense in depth?                   |
 | **1.7**           | [End of module quiz](https://github.com/microsoft/Security-101/blob/main/1.7%20End%20of%20module%20quiz.md)                        |                                      |                                                                                                                 |