diff --git a/.editorconfig b/.editorconfig
index 2895e4735..984605938 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -9,3 +9,4 @@ insert_final_newline = true
 end_of_line = lf
 # editorconfig-tools is unable to ignore longs strings or urls
 max_line_length = null
+quote_type = single
diff --git a/packages/markdown/src/marked.ts b/packages/markdown/src/marked.ts
index 4ffb117c5..223f7ca5f 100644
--- a/packages/markdown/src/marked.ts
+++ b/packages/markdown/src/marked.ts
@@ -33,6 +33,8 @@ const LANGUAGE_TO_TAB_TITLE = {
     python3: 'Python 3',
     yml: 'YAML',
     yaml: 'YAML',
+    gql: 'GraphQL',
+    graphql: 'GraphQL',
 };
 
 const APIFY_CODE_TABS = 'apify-code-tabs';