diff --git a/chapters/chapter-01.markdown b/chapters/chapter-01.markdown
index 5eb2c2b..386d44d 100644
--- a/chapters/chapter-01.markdown
+++ b/chapters/chapter-01.markdown
@@ -1,4 +1,6 @@
 ---
+when:
+  start: 1481/6/2 MTR 20::60
 title: Running Alone
 availability: public
 locations:
diff --git a/package-lock.json b/package-lock.json
index 769f085..27534a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4867,10 +4867,6 @@
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       "integrity": "sha512-6IzjQxvnlT8UlklNmDXIJMWxijULjqGrzgqc0OG7YadZdvm7KPQ1j0ehmQQHckgEWOfgpptzcnWgESovxudpTA=="
     },
-    "jpgjs": {
-      "version": "github:makr28/jpgjs#c83f107ad725b476a3441d20680a02590d8752cc",
-      "from": "github:makr28/jpgjs"
-    },
     "js-base64": {
       "version": "2.4.8",
       "resolved": "https://registry.npmjs.org/js-base64/-/js-base64-2.4.8.tgz",
@@ -11141,8 +11137,13 @@
       "resolved": "https://registry.npmjs.org/utif/-/utif-2.0.0.tgz",
       "integrity": "sha512-9fl1Md7tUTsgjhWCLOra+nalQnDxWme+h0OB7WQsUBZbhrxEmzL6/suCPxI4ujrFAvv6KSu7B/74HhxfydVpfw==",
       "requires": {
-        "jpgjs": "github:makr28/jpgjs#c83f107ad725b476a3441d20680a02590d8752cc",
         "pako": "^1.0.5"
+      },
+      "dependencies": {
+        "jpgjs": {
+          "version": "github:makr28/jpgjs#c83f107ad725b476a3441d20680a02590d8752cc",
+          "from": "github:makr28/jpgjs#c83f107ad725b476a3441d20680a02590d8752cc"
+        }
       }
     },
     "util-deprecate": {