diff --git a/README.md b/README.md
index 676825dcba6663a77bed41735105b7601fd30c28..2780066fcbd76f635e878275483a762bd008e5ae 100644
--- a/README.md
+++ b/README.md
@@ -59,9 +59,9 @@ Transport of GNSS coordinates. Altitude and DOP are optionnal.
 
 |    1B    |     4B      |     4B      |    0/4B    | 0/4B  |
 |----------|-------------|-------------|------------|-------|
-| `header` | `lattitude` | `longitude` | `altitude` | `dop` |
+| `header` | `latitude` | `longitude` | `altitude` | `dop` |
 
-The `lattitude` field is a C-type float and is mandatory.
+The `latitude` field is a C-type float and is mandatory.
 
 The `longitude` field is a C-type float and is mandatory