diff --git a/layouts/shortcodes/prismjs.html b/layouts/shortcodes/prismjs.html
index 8673049..238f419 100644
--- a/layouts/shortcodes/prismjs.html
+++ b/layouts/shortcodes/prismjs.html
@@ -3,21 +3,19 @@
   <pre><code>{{ $inner }}</code></pre>
 {{ else }}
   {{ if .IsNamedParams }}
-    <pre
-      class="
-      {{ if .Get "lang" }}language-{{ .Get "lang" }} {{ end }}
-      {{ if .Get "line-numbers" }} line-numbers{{ end }}
-      {{ if .Get "command-line" }} command-line{{ end }}
-      "
-      {{/* line highlight plugin */}}
-      {{ if .Get "line" }} data-line={{ .Get "line" }} {{ end }}
-      {{/* line number plugin */}}
-      {{ if .Get "start" }} data-start={{ .Get "start" }} {{ end }}
-      {{/* command-line plugin */}}
-      {{ if .Get "user" }} data-user={{ .Get "user" }} {{ end }}
-      {{ if .Get "host" }} data-host={{ .Get "host" }} {{ end }}
-      {{ if .Get "prompt" }} data-prompt={{ .Get "prompt" }} {{ end }}
-      {{ if .Get "output" }} data-output={{ .Get "output" }} {{ end }}
+    <pre class="
+      {{- if .Get "lang" }}language-{{ .Get "lang" }}{{ end }}
+      {{- if .Get "line-numbers" }} line-numbers{{ end }}
+      {{- if .Get "command-line" }} command-line{{ end }}"
+      {{- /* line highlight plugin */ -}}
+      {{- if .Get "line" }} data-line="{{ .Get "line" }}"{{ end }}
+      {{- /* line number plugin */ -}}
+      {{- if .Get "start" }} data-start="{{ .Get "start" }}"{{ end }}
+      {{- /* command-line plugin */ -}}
+      {{- if .Get "user" }} data-user="{{ .Get "user" }}"{{ end }}
+      {{- if .Get "host" }} data-host="{{ .Get "host" }}"{{ end }}
+      {{- if .Get "prompt" }} data-prompt="{{ .Get "prompt" }}"{{ end }}
+      {{- if .Get "output" }} data-output="{{ .Get "output" }}"{{ end }}
       ><code {{ if .Get "lang" }}class="language-{{ .Get "lang" }}"{{ end }}
       >{{ $inner }}</code></pre>
   {{ else }}