diff --git a/layouts/partials/docs/html-head.html b/layouts/partials/docs/html-head.html
index da24b27..eb013d2 100644
--- a/layouts/partials/docs/html-head.html
+++ b/layouts/partials/docs/html-head.html
@@ -7,20 +7,24 @@
 <title>{{ partial "docs/title" . }} | {{ .Site.Title -}}</title>
 <link rel="icon" href="{{ "favicon.png" | relURL }}" type="image/x-icon">
 
+{{- range .Translations }}
+<link rel="alternate" hreflang="{{ .Language.Lang }}" href="{{ .Permalink }}" title="{{ partial "docs/title" . }}">
+{{ end -}}
+
 <!-- Theme stylesheet, you can customize scss by creating `assets/custom.scss` in your website -->
 {{- $styles := resources.Get "book.scss" | resources.ExecuteAsTemplate "book.scss" . | resources.ToCSS | resources.Minify | resources.Fingerprint }}
 <link rel="stylesheet" href="{{ $styles.RelPermalink }}" integrity="{{ $styles.Data.Integrity }}">
 
-{{ if default true .Site.Params.BookSearch }}
+{{- if default true .Site.Params.BookSearch }}
 {{- $searchJSFile := printf "%s.search.js" .Language.Lang -}}
 {{- $searchJS := resources.Get "search.js" | resources.ExecuteAsTemplate $searchJSFile . | resources.Minify | resources.Fingerprint }}
 <script defer src="{{ $searchJS.RelPermalink }}" integrity="{{ $searchJS.Data.Integrity }}"></script>
-{{ end }}
+{{ end -}}
 
 {{- template "_internal/google_analytics_async.html" . -}}
 
 <!-- RSS -->
-{{ with .OutputFormats.Get "rss" -}}
+{{- with .OutputFormats.Get "rss" -}}
   {{ printf `<link rel="%s" type="%s" href="%s" title="%s" />` .Rel .MediaType.Type .Permalink $.Site.Title | safeHTML }}
 {{ end -}}