update readme

Signed-off-by: Isabelle Wittmann <isabelle.wittmann1@ibm.com>

.gitattributes

@@ -33,3 +33,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+*.png filter=lfs diff=lfs merge=lfs -text

README.md

@@ -36,7 +36,7 @@ Higher λ / quality → **higher reconstruction quality**
 
 # Model Architecture
 
-This repository contains the **TEC-ELIC** variant of TerraCodec.
+This repository contains the **TEC-ELIC** variants of TerraCodec.
 
 [![TEC-ELIC Architecture](assets/TEC_image_architecture.png)](assets/TEC_image_architecture.png)