diff --git a/README.md b/README.md
index 4bda25c..2a5b05d 100644
--- a/README.md
+++ b/README.md
@@ -51,8 +51,8 @@ Run the binary via terminal to view a full list of options:
 ./procchi -p 7766 -u test -k test
 # (If `-u` and `-k` are not specified, Procchi will prompt for credentials before deploying the web server, which is reccommended)
 
-# Start Procchi on the default port (6565), and have it retain only 50 elements in metric history for each metric
-./procchi -h 50
+# Start Procchi on the default port (6565), and have it retain a max of 50 elements in metric history for each metric
+./procchi -m 50
 
 # Start Procchi configured to update every 10 seconds (instead of the default of 5 seconds)
 ./procchi -r 10
diff --git a/backend/src/main.rs b/backend/src/main.rs
index 811ab7c..43b78b1 100644
--- a/backend/src/main.rs
+++ b/backend/src/main.rs
@@ -55,7 +55,7 @@ struct Args {
   port: u16,
 
   /// Max amount of history to keep at once for each metric
-  #[arg(short, long, default_value = "100")]
+  #[arg(short = 'm', long, default_value = "100")]
   history_max: usize,
 
   /// Rate (in seconds) at which to update the resource monitor
diff --git a/frontend/src/pages/Home/data.tsx b/frontend/src/pages/Home/data.tsx
index 7e48fa6..dc8db48 100644
--- a/frontend/src/pages/Home/data.tsx
+++ b/frontend/src/pages/Home/data.tsx
@@ -107,6 +107,14 @@ export function DataHome(props: Props) {
               xLabel="Time"
               yLabel="Disk Usage (GB)"
               min={0}
+              max={
+                // get the largest disk size
+                Math.max(
+                  ...Object.keys(diskData).map((disk) => {
+                    return diskData[disk][0].total
+                  })
+                ) / 1024 / 1024 / 1024
+              }
               datasets={Object.keys(diskData).map((disk, i) => {
                 return {
                   data: diskData[disk].map((v) => {