diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index f6ba19bb..21ca139f 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -2280,7 +2280,7 @@ Public Key:
   - .asc
   - .pub
   tm_scope: none
-  ace_mode: none
+  ace_mode: text
 
 Puppet:
   type: programming