readme updates for v2 release (#173)

Signed-off-by: Brian DeHamer <[email protected]>

action.yml

@@ -10,7 +10,7 @@ inputs:
     description: >
       Path to the artifact serving as the subject of the attestation. Must
       specify exactly one of "subject-path" or "subject-digest". May contain a
-      glob pattern or list of paths (total subject count cannot exceed 2500).
+      glob pattern or list of paths (total subject count cannot exceed 1024).
     required: false
   subject-digest:
     description: >
@@ -60,7 +60,7 @@ inputs:
     required: false
 outputs:
   bundle-path:
-    description: 'The path to the file containing the attestation bundle(s).'
+    description: 'The path to the file containing the attestation bundle.'
 
 runs:
   using: node20