fix: Replace reference to "Knowledge Engine" with "RAG Engine" (Googl…

…eCloudPlatform#1271)

gemini/rag-engine/rag_engine_pinecone.ipynb

@@ -439,7 +439,7 @@
         "project_numbers = !gcloud projects list --filter=\"PROJECT_ID={PROJECT_ID}\" --format=\"value(PROJECT_NUMBER)\"\n",
         "PROJECT_NUMBER = project_numbers[0]\n",
         "\n",
-        "# Construct your Knowledge Engine service account name\n",
+        "# Construct your RAG Engine service account name\n",
         "# Do not update this string since this is the name assigned to your service account.\n",
         "SERVICE_ACCOUNT = f\"service-{PROJECT_NUMBER}@gcp-sa-vertex-rag.iam.gserviceaccount.com\""
       ]
@@ -473,7 +473,7 @@
       "source": [
         "### First RAG Corpus Only\n",
         "\n",
-        "If this is the first RAG Corpus in your project, you might not be able to provide the Knowledge Engine service account access to your secret resource. So this section first creates a RAG Corpus with an empty Pinecone config. With this call, the service account for your project is provisioned.\n",
+        "If this is the first RAG Corpus in your project, you might not be able to provide the RAG Engine service account access to your secret resource. So this section first creates a RAG Corpus with an empty Pinecone config. With this call, the service account for your project is provisioned.\n",
         "\n",
         "Next, it assigns the service account permissions to read your secret. Finally, it updates your RAG Corpus with the Pinecone index name and the secret resource name."
       ]
@@ -512,7 +512,7 @@
         "id": "2422ddb6acd4"
       },
       "source": [
-        "#### Grant your Knowledge Engine service account access to your API key secret"
+        "#### Grant your RAG Engine service account access to your API key secret"
       ]
     },
     {
@@ -574,7 +574,7 @@
         "id": "87459cdb45c6"
       },
       "source": [
-        "#### Grant your Knowledge Engine service account access to your API key secret"
+        "#### Grant your RAG Engine service account access to your API key secret"
       ]
     },
     {