lab3 and 5 readme files (#52)

* minor readme edits

Author: sdutta9

labs/lab3/readme.md

@@ -167,7 +167,7 @@ Another nice feature of the NGINX One Console is the ability to quickly see the
 
 1. Using the Overview Dashboard Certificates Panel, Click on the `Expiring` link. This will provide a List View of the Instances affected, with metadata about the Instances using the Certificate.
 
-1. Click on the `$NAME-oss1` Instance. This will provide the Instance level Details, you will see a `Certificates` Section, this time with the Name, Status, Expiration Date, and Subject Name for each certificate file.
+1. Click on the `$NAME-oss1` Instance. This will provide the Instance level Details. You will see a `Certificates` Section, switch to `Unmanaged` tab. This will list the Name, Status, Expiration Date, and Subject Name for each certificate file associated to `$NAME-oss1` Instance.
 
     ![Certs](media/lab3_oss1-certs.png)
 
@@ -181,24 +181,25 @@ Another nice feature of the NGINX One Console is the ability to quickly see the
 
 Fix the Expired Certificate! If you want to create a new certificate, say with a 91-day expiration, follow these instructions to use `openssl` to create a Self-Signed certificate/key pair, and update your NGINX config files to use the new Certficate.
 
-1. Change your Terminal to the appropriate directory, in this exercise, that would be `labs/lab2/nginx-oss/etc/ssl/nginx`.
-
 1. Create a new `$NAME-91-day` SSL certificate/key pair:
 
+    (**NOTE:** Make sure you are within `labs/lab2` folder before running the command)
+
     ```bash
-    openssl req -x509 -nodes -days 91 -newkey rsa:2048 -keyout $NAME-91-day.key -out $NAME-91-day.crt -subj "/CN=NginxOneWorkshop"
+    openssl req -x509 -nodes -days 91 -newkey rsa:2048 -keyout nginx-oss/etc/ssl/nginx/$NAME-91-day.key -out nginx-oss/etc/ssl/nginx/$NAME-91-day.crt -subj "/CN=NginxOneWorkshop"
 
     ```
 
 1. Verify the .crt and .key files were created, in the correct volume mounted folder:
 
     ```bash
-    ls -l
+    ls -l nginx-oss/etc/ssl/nginx
 
     ```
+
     ```bash
     ## Sample output ##
-    ubuntu@NGINX-Basics:~/Documents/nginx-one-workshops/labs/lab2/nginx-oss/etc/ssl/nginx$ ls -l
+    ubuntu@NGINX-Basics:~/Documents/nginx-one-workshops/labs/lab2$ ls -l nginx-oss/etc/ssl/nginx
     total 32
     -rw-rw-r-- 1 ubuntu ubuntu 1131 Mar 19 22:07 1-day.crt
     -rw------- 1 ubuntu ubuntu 1704 Mar 19 22:07 1-day.key

labs/lab5/readme.md

@@ -165,7 +165,7 @@ Don't forget to remove your unused instances from the NGINX One Console.
 
 ## Confirm you have an R32 Instance
 
-You will now start the process of upgrading a standalone web server. Confirm taht you have this instance by issuing the following commands:
+You will now start the process of upgrading a standalone web server. Confirm that you have this instance by issuing the following commands:
 
 1. SSH to the web server:
     ```bash