make jvm and vm reqs consistent (#681)

Signed-off-by: Alexandra Tran <[email protected]>

Author: alexandratran

docs/HowTo/Get-Started/System-Requirements/System-Requirements-Private.md

@@ -23,7 +23,7 @@ To determine system requirements, check CPU and disk space requirements using
 ## Java Virtual Machine size
 
 Depending on your environment and network setup, the minimum Java Virtual
-Machine (JVM) memory requirement for private networks is 4GB.
+Machine (JVM) memory requirement for private networks is 4 GB.
 
 JVM memory requirements are highest when syncing, but will reduce after the node is synchronized
 to the chain head. Monitor your system to determine your actual JVM memory needs.
@@ -38,7 +38,7 @@ If you set up your own VM locally using a VM manager such as [VirtualBox](https:
 
 We recommend you create a VM with the following attributes:
 
-* Memory Size: Set to 4096 MB (recommended)
+* Memory Size: Set to 6 GB (recommended)
 * Create a virtual hard disk with at least 10 GB (20 GB recommended)
 * Virtual hard disk file type: VDI (if you need to share it with other apps, use VHD)
 * (Optional) You can create a shared directory to copy block files or genesis files from the host

docs/HowTo/Get-Started/System-Requirements/System-Requirements-Public.md

@@ -16,16 +16,16 @@ To determine system requirements, check CPU and disk space requirements using
 
 ## Java Virtual Machine size
 
-For Mainnet and testnets, the minimum Java Virtual Machine (JVM) memory requirement is 8GB.
+For Mainnet and testnets, the minimum Java Virtual Machine (JVM) memory requirement is 8 GB.
 
 JVM memory requirements are highest when syncing, but will reduce after the node is synchronized
 to the chain head. Monitor your system to determine your actual JVM memory needs.
 
 ## Disk space
 
 [Fast synchronization](../../../Reference/CLI/CLI-Syntax.md#sync-mode) with
-[pruning](../../../Concepts/Pruning.md) enabled requires approximately 750GB of disk space.
-[Full synchronization](../../../Reference/CLI/CLI-Syntax.md#sync-mode) requires approximately 3TB.
+[pruning](../../../Concepts/Pruning.md) enabled requires approximately 750 GB of disk space.
+[Full synchronization](../../../Reference/CLI/CLI-Syntax.md#sync-mode) requires approximately 3 TB.
 
 ## AWS requirements