docs: Quotation marks are used incorrectly. (#1282)

Signed-off-by: RiceChuan <lc582041246@gmail.com>

SECURITY.md

@@ -6,7 +6,7 @@ If you think you have discovered a security issue in any of the Hyperledger proj
 
 There are two ways to report a security bug. The easiest is to email a description of the flaw and any related information (e.g. reproduction steps, version) to [security at hyperledger dot org](mailto:security@hyperledger.org).
 
-The other way is to file a confidential security bug in our [JIRA bug tracking system](https://jira.hyperledger.org). Be sure to set the “Security Level” to “Security issue”.
+The other way is to file a confidential security bug in our [JIRA bug tracking system](https://jira.hyperledger.org). Be sure to set the "Security Level" to "Security issue".
 
 The process by which the Hyperledger Security Team handles security bugs is documented further in our [Defect Response page](https://wiki.hyperledger.org/display/SEC/Defect+Response) on our [wiki](https://wiki.hyperledger.org).
 

test-network/prometheus-grafana/README.md

@@ -11,7 +11,7 @@ You will need to have installed **docker-compose with version 1.29 or above** (n
 
 1. Go to the test-network directory and run bring up the test-network **./network.sh up createChannel**
 2. Bring up the Prometheus/Grafana network in the test-network/prometheus-grafana directory and run **docker-compose up -d**
-3. Log in: type “localhost:3000” on your web browser -> username=“admin”, password=“admin” -> set a new password
+3. Log in: type "localhost:3000" on your web browser -> username="admin", password="admin" -> set a new password
 4. Browse dashboard and analyse results
    - The default dashboard "HLF Performances Review" can be found and displayed by hovering over the dashboard menu and clicking on the browse button.
    ![picture alt]("https://user-images.githubusercontent.com/86831094/149115445-5e5f6d95-ecc3-4b46-aadb-5c01148770b3.png "Title is optional")