diff --git a/assets/images/large-image.jpg b/assets/images/large-image.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..c007781c27b4dbdf75b2f48e651be2442a99ba98
Binary files /dev/null and b/assets/images/large-image.jpg differ
diff --git a/assets/images/small-image.jpg b/assets/images/small-image.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..5bf58a94932c306eaf01dce6561ef37afa513a11
Binary files /dev/null and b/assets/images/small-image.jpg differ
diff --git a/docs/index-test.md b/docs/index-test.md
index 76319b0d663a5dc5cb23db7d2963526ef5e7f67a..920aec3e2f3da9acabea6f1f7c8af492f019dc9c 100644
--- a/docs/index-test.md
+++ b/docs/index-test.md
@@ -120,12 +120,13 @@ end
 
 ### Small image
 
-![](../assets/images/search.svg)
+![](../../assets/images/small-image.jpg)
 
 ### Large image
 
-![](https://guides.github.com/activities/hello-world/branching.png)
+![](../../assets/images/large-image.jpg)
 
+"[Wroclaw University Library digitizing rare archival texts](https://www.flickr.com/photos/97810305@N08/9401451269)" by [j_cadmus](https://www.flickr.com/photos/97810305@N08) is marked with [CC BY 2.0](https://creativecommons.org/licenses/by/2.0/?ref=openverse).
 
 ### Definition lists can be used with HTML syntax.
 
@@ -168,7 +169,7 @@ Term2
 
 : Second description of Term1 and Term2,
   possibly more than one line
-  
+
 ### More code
 
 ```
diff --git a/package-lock.json b/package-lock.json
index 2e874fb42ec90b1bacfeb69f7806b967ba57bb9c..7463b54f3b69338021a92b3a9d43115388aa1c19 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -374,15 +374,23 @@
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       "dev": true,
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         "uri-js": "^4.2.2"
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+          "dev": true
+        }
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@@ -1756,12 +1764,6 @@
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+      "version": "2.8.9",
+      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.9.tgz",
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       "dev": true
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@@ -2309,9 +2311,9 @@
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+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.8.tgz",
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@@ -2837,9 +2839,9 @@
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+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
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@@ -3531,9 +3533,9 @@
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+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.7.tgz",
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@@ -4892,12 +4894,6 @@
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@@ -5938,9 +5934,9 @@
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-          "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+          "version": "3.2.2",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
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@@ -6018,29 +6014,10 @@
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-          "dev": true
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-          "dev": true
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@@ -6517,9 +6494,9 @@
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