diff --git a/invft/OCR1.json b/invft/en_SG.json similarity index 100% rename from invft/OCR1.json rename to invft/en_SG.json diff --git a/invft/OCR2.json b/invft/en_UK.json similarity index 100% rename from invft/OCR2.json rename to invft/en_UK.json diff --git a/invft/OCR3.json b/invft/en_US.json similarity index 100% rename from invft/OCR3.json rename to invft/en_US.json