Updated .env language in cache/session docs

Language previously assumed existance of options which are no longer
there by default.

Closes #162

diff --git a/content/docs/admin/cache-session-config.md b/content/docs/admin/cache-session-config.md
index d7f1cf8ac39fff8d78701d687fcde439d8d10818..905b787ac6e0c5b78486fc489349bb507283cb2b 100644 (file)
--- a/content/docs/admin/cache-session-config.md
+++ b/content/docs/admin/cache-session-config.md
@@ -18,7 +18,7 @@ By default BookStack will use a file system cache that's storage in the `storage
 
 #### Database
 
-As an easy alternative to using the filesystem, you can use the database to store the cache and session. The database setup for this is done when installing/updating BookStack so you simply need to set the following in your .env file:
+As an easy alternative to using the filesystem, you can use the database to store the cache and session. The database setup for this is done when installing/updating BookStack so you simply need to add or update the following in your `.env` file:
 
 ```bash
 CACHE_DRIVER=database
@@ -27,15 +27,17 @@ SESSION_DRIVER=database
 
 #### Memcached
 
-To use memcached for caching and/or sessions open up your .env file and find the `CACHE_DRIVER` & `SESSION_DRIVER` variables. By default these are both set to `file`. Change these variables to `memcached`.
-
-You will also need to add a variable to specify the memcached servers you are using. To do this add a variable named `MEMCACHED_SERVERS` to the .env file and set the value to be your memcached servers in the following format: `HOST:PORT:WEIGHT,HOST2:PORT:WEIGHT`. You can specify as many servers as you want. Their usage split will be determined by the weight given to them. Here are some examples of what the .env file should look like:
+To use memcached for caching and/or sessions open up your `.env` file and add, or update if existing, the below options:
 
 ```bash
 # Set both the cache and session to use memcached
 CACHE_DRIVER=memcached
 SESSION_DRIVER=memcached
+```
+
+You will also need to add a variable to specify the memcached servers you are using. To do this add a variable named `MEMCACHED_SERVERS` to the `.env` file and set the value to be your memcached servers in the following format: `HOST:PORT:WEIGHT,HOST2:PORT:WEIGHT`. You can specify as many servers as you want. Their usage split will be determined by the weight given to them. Here are some examples of this option in `.env` format:
 
+```bash
 # Example of using a single local memcached server
 MEMCACHED_SERVERS=127.0.0.1:11211:100
 
@@ -45,19 +47,21 @@ MEMCACHED_SERVERS=8.8.8.8:11211:50,8.8.4.4:11211:50
 
 #### Redis
 
-To use Redis for caching and/or sessions open up your .env file and find the `CACHE_DRIVER` & `SESSION_DRIVER` variables. By default these are both set to `file`. Change these variables to `redis`.
+To use Redis for caching and/or sessions open up your `.env` file and add, or update if existing, the below options:
+
+```bash
+# Set both the cache and session to use redis
+CACHE_DRIVER=redis
+SESSION_DRIVER=redis
+```
 
-You will need to add a variable to specify your Redis servers. To do this add a variable named `REDIS_SERVERS` to the .env file and set the value to point at your Redis servers in the following format: `HOST:PORT:DATABASE,HOST2:PORT:DATABASE`. The default values for each host are `127.0.0.1:6379:0`. You can list as many servers as you like. If your redis servers are password protected you can use the format `HOST:PORT:DATABASE:PASSWORD`.
+You will need to add a variable to specify your Redis servers. To do this add a variable named `REDIS_SERVERS` to the `.env` file and set the value to point at your Redis servers in the following format: `HOST:PORT:DATABASE,HOST2:PORT:DATABASE`. The default values for each host are `127.0.0.1:6379:0`. You can list as many servers as you like. If your redis servers are password protected you can use the format `HOST:PORT:DATABASE:PASSWORD`.
 
 If more that one server is provided they will automatically be clustered by BookStack to perform client-side sharding across your Redis nodes, allowing them to pool together for a large amount of RAM. This disadvantage of this it that it does not allow for fail-over.
 
-Here's a configuration example of using Redis with BookStack:
+Here's a couple of examples of the `REDIS_SERVERS` option in `.env` format:
 
 ```bash
-# Set both the cache and session to use Redis
-CACHE_DRIVER=redis
-SESSION_DRIVER=redis
-
 # Example of using a single local Redis server
 REDIS_SERVERS=127.0.0.1:6379:0
 
@@ -67,7 +71,7 @@ REDIS_SERVERS=8.8.8.8:6379:0,8.8.4.4:6379:0
 
 ### Session Cookie Configuration
 
-Browser cookies are used to track sessions when using BookStack. The following session cookie options can be set in your `.env` file:
+Browser cookies are used to track sessions when using BookStack. The following session cookie options can be added to your `.env` file:
 
 ```bash
 # Only send cookies over a HTTPS connection.