docs: Update src/ape/api/providers.py

Co-authored-by: El De-dog-lo <3859395+fubuloubu@users.noreply.github.com>

src/ape/api/providers.py

@@ -137,7 +137,7 @@ def size(self) -> int:
         """
         The size of the block in gas. Most of the time,
         this field is passed to the model at validation time,
-        but occassionally it is missing (like in Infura::newHeads),
+        but occassionally it is missing (like in `eth_subscribe:newHeads`),
         in which case it gets calculated if and only if the user
         requests it (or during serialization of this model to disk).
         """