diff --git a/LearningProgram/1/LearningProgram-1-graph.json b/LearningProgram/1/LearningProgram-1-graph.json
index 1265d04..4c955d8 100644
--- a/LearningProgram/1/LearningProgram-1-graph.json
+++ b/LearningProgram/1/LearningProgram-1-graph.json
@@ -1,11 +1,10 @@
 {
   "@context": "https://credreg.net/ctdl/schema/context/json",
-  "@id": "https://credentialengine.github.io/credential-registry-ingest-examples/LearningProgram/1/LearningProgram-1-graph.json",
   "@graph": [
     {
       "@id": "https://credentialengine.github.io/credential-registry-ingest-examples/LearningProgram/1/LearningProgram-1.json",
       "@type": "ceterms:LearningProgram",
-      "ceterms:ctid": "ce-bada0d68-f026-441d-80c1-cdabace4e525",
+      "ceterms:ctid": "ce-23b0e606-545c-4383-8630-f97ec3b190fa",
       "ceterms:name": { "en-US": "Lifelong Learning Accelerator" },
       "ceterms:hasPart": [
         "https://credentialengine.github.io/credential-registry-ingest-examples/LearningProgram/1/Course-1a.json",
diff --git a/LearningProgram/1/LearningProgram-1.json b/LearningProgram/1/LearningProgram-1.json
index 74a303f..11838e4 100644
--- a/LearningProgram/1/LearningProgram-1.json
+++ b/LearningProgram/1/LearningProgram-1.json
@@ -2,7 +2,7 @@
   "@context": "https://credreg.net/ctdl/schema/context/json",
   "@id": "https://credentialengine.github.io/credential-registry-ingest-examples/LearningProgram/1/LearningProgram-1.json",
   "@type": "ceterms:LearningProgram",
-  "ceterms:ctid": "ce-bada0d68-f026-441d-80c1-cdabace4e525",
+  "ceterms:ctid": "ce-23b0e606-545c-4383-8630-f97ec3b190fa",
   "ceterms:name": { "en-US": "Lifelong Learning Accelerator" },
   "ceterms:hasPart": [
     "https://credentialengine.github.io/credential-registry-ingest-examples/LearningProgram/1/Course-1a.json",
diff --git a/LearningProgram/index.md b/LearningProgram/index.md
index 0f5610c..5cc2d7e 100644
--- a/LearningProgram/index.md
+++ b/LearningProgram/index.md
@@ -7,6 +7,17 @@ JSON-LD metadata about a `LearningProgram` so that it can be easily ingested
 into the Credential Registry with the Credential Registry Publish Action tool on
 GitHub Actions.
 
+### Publish Graphs in CTDL format for LearningPrograms
+
+The Credential Registry Publish Action tool supports the ingestion of a
+`LearningProgram` (a subclass of `LearningOpportunity`) published as a JSON-LD
+`@graph`. This enables the incorporation of a variety of entities into a single
+file rather than requiring URI IDs for a number of dependent objects, each of
+which must be fetched independently. With a graph format, the data can be
+closest to the Credential Registry API input format, which expects string IDs
+for certain relationship values, even if those are "blank node identifiers". For
+example if an organization wanted to describe that their Credential
+
 ## Learning Program Identifiers
 
 The recommended practice for identifying a `LearningProgram` is to use the URL
diff --git a/index.md b/index.md
index fccbc0f..a73f4e5 100644
--- a/index.md
+++ b/index.md
@@ -144,6 +144,11 @@ jobs:
   this case, the value is a single URL, but multiple URLs may be specified,
   separated by commas. The Credential Registry Publish Action will download the
   data from these URLs and publish it to the Registry.
+- URLs are comma-separated. A comma `,` is a valid character in the path
+  component of a URL, but if any URLs including commas are desired to be used in
+  the `URLS` environment variable, they must be percent-encoded as `%2C`. For
+  example, the URL `https://example.com/path,with,commas` would be written as
+  `https://example.com/path%2Cwith%2Ccommas` in the `URLS` environment variable.
 - Within the Publish step, there are several "inputs" configured. The
   `organization-ctid` input specifies the CTID of the organization publishing
   the data. This is required because the organization must be published to the