diff --git a/APIBacklog/documentation/SupportingDocuments/API proposals/NewAPIproposal_Verified Caller.txt b/APIBacklog/documentation/SupportingDocuments/API proposals/NewAPIproposal_Verified Caller.md
similarity index 97%
rename from APIBacklog/documentation/SupportingDocuments/API proposals/NewAPIproposal_Verified Caller.txt
rename to APIBacklog/documentation/SupportingDocuments/API proposals/NewAPIproposal_Verified Caller.md
index 55cbfdfd..be949006 100644
--- a/APIBacklog/documentation/SupportingDocuments/API proposals/NewAPIproposal_Verified Caller.txt	
+++ b/APIBacklog/documentation/SupportingDocuments/API proposals/NewAPIproposal_Verified Caller.md	
@@ -9,4 +9,4 @@
 | Validated in lab/productive environments? | YES, Commercially launched in China Telecom.                 |
 | Validated with real customers?            | Yes                                                          |
 | Validated with operators?                 | Yes, China Mobile, China Unicom.                             |
-| Supporters in API Backlog Working Group   |                                                              |
\ No newline at end of file
+| Supporters in API Backlog Working Group   |                                                              |