fix spellchecking

.dictionary

@@ -1 +1,2 @@
 Ansible
+IoT

.drone.yml

@@ -26,7 +26,7 @@ steps:
   image: node:lts-alpine
   commands:
   - npm install -g spellchecker-cli
-  - spellchecker --no-gitignore --files 'content/**/_index.md' 'README.md' '!content/filters/*' '!content/modules/*' -d .dictionary -p spell indefinite-article syntax-urls --no-suggestions
+  - spellchecker --no-gitignore --files 'content/**/_index.md' 'README.md' '!content/filters/*' '!content/modules/*' -d .dictionary -p spell indefinite-article syntax-urls frontmatter --frontmatter-keys title --no-suggestions
   environment:
     FORCE_COLOR: true
     NPM_CONFIG_LOGLEVEL: error
@@ -84,6 +84,6 @@ trigger:
 
 ---
 kind: signature
-hmac: a416ae3ffcf5ffed9a58acf9c240396478c2a3bb62d07d087fd34a3ab1fd853e
+hmac: 718f3f93f5c26358773d9b1962e8bb2dd937b768dce5f47afa39a5cfdd7f3476
 
 ...