diff --git a/_includes/language-alias.html b/_includes/language-alias.html
index 26912a3..abfa7ba 100644
--- a/_includes/language-alias.html
+++ b/_includes/language-alias.html
@@ -41,8 +41,6 @@
{{ 'Perl' }}
{% when 'php','php3','php4','php5' %}
{{ 'PHP' }}
- {% when 'plaintext', 'text' %}
- {{ 'Text' }}
{% when 'py' %}
{{ 'Python' }}
{% when 'rb' %}
@@ -65,7 +63,7 @@
{{ 'Vue.js' }}
{% when 'yml' %}
{{ 'YAML' }}
- {% when 'css', 'html', 'scss', 'ssh', 'toml', 'xml', 'yaml' %}
+ {% when 'css', 'html', 'scss', 'ssh', 'toml', 'xml', 'yaml', 'json' %}
{{ _lang | upcase }}
{% else %}
{{ _lang | capitalize }}