Fix typo (#3763)

Licaon_Kter created 

* Fix typo

* Update README.md

Change summary

README.md                                            | 2 +-
fastlane/metadata/android/en-US/full_description.txt | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

Detailed changes

README.md 🔗 

@@ -32,7 +32,7 @@
 
 * End-to-end encryption with [OMEMO](http://conversations.im/omemo/) or [OpenPGP](http://openpgp.org/about/)
 * Send and receive images as well as other kind of files
-* Encrypted audio and video calls (DLTS-SRTP)
+* Encrypted audio and video calls (DTLS-SRTP)
 * Share your location
 * Send voice messages
 * Indication when your contact has read your message

fastlane/metadata/android/en-US/full_description.txt 🔗 

@@ -11,7 +11,7 @@ Features:
 
 * End-to-end encryption with either <a href="http://conversations.im/omemo/">OMEMO</a> or <a href="http://openpgp.org/about/">OpenPGP</a>
 * Sending and receiving images
-* Encrypted audio and video calls (DLTS-SRTP)
+* Encrypted audio and video calls (DTLS-SRTP)
 * Intuitive UI that follows Android Design guidelines
 * Pictures / Avatars for your Contacts
 * Syncs with desktop client