diff --git a/src/yamlFileCommands.ts b/src/yamlFileCommands.ts
index 18b1a6402..6f39d3ceb 100644
--- a/src/yamlFileCommands.ts
+++ b/src/yamlFileCommands.ts
@@ -22,7 +22,7 @@ export class YamlFileCommands {
             || !(document.fileName.endsWith('.yaml') || document.fileName.endsWith('.yml')
             || document.fileName.endsWith('.json'))) {
             message =
-                '\'OpenShift: Create\' command requires a .yaml or a .json file opened in editor.';
+                '\'OpenShift: Create\' command requires a .yaml, .yml, or .json file opened in editor.';
         }
 
         if (!message && document.isUntitled) {
@@ -66,7 +66,7 @@ export class YamlFileCommands {
             || !(document.fileName.endsWith('.yaml') || document.fileName.endsWith('.yml')
             || document.fileName.endsWith('.json'))) {
             message =
-                '\'OpenShift: Delete\' command requires a .yaml or a .json file opened in editor.';
+                '\'OpenShift: Delete\' command requires a .yaml, .yml, or .json file opened in editor.';
         }
 
         if (!message && document.isUntitled) {