chore: fix typos (#377)

Author: maksymar

SECURITY.md

@@ -8,7 +8,7 @@ DFINITY takes the security of our software products seriously, which includes al
 ## How to report a vulnerability
 
 We appreciate your help in keeping our projects secure.
-If you believe you have found a security vulnerability in any of our repositories, please report it resonsibly to us as described below:
+If you believe you have found a security vulnerability in any of our repositories, please report it responsibly to us as described below:
 
 1. **Do not disclose the vulnerability publicly.** Public disclosure could be exploited by attackers before it can be fixed.
 2. **Send an email to securitybugs@dfinity.org.** Please include the following information in your email:

docs/src/schema-upgrades.md

@@ -32,7 +32,7 @@ impl Storable for Asset {
 }
 ```
 
-> **Note:** Stables structures do not enforce a specific data format.
+> **Note:** Stable structures do not enforce a specific data format.
 It's up to the developer to use the data format that fits their use-case.
 In this example, CBOR is used for encoding `Asset`.