Update lib/grpc/stream.ex

Co-authored-by: Paulo Valente <[email protected]>

Author: sleipnir

lib/grpc/stream.ex

@@ -69,7 +69,7 @@ defmodule GRPC.Stream do
 
     - `:join_with` — An optional external `GenStage` producer to merge with the gRPC input.
     - `:dispatcher` — Specifies the `Flow` dispatcher (defaults to `GenStage.DemandDispatcher`).
-    - `:propagate_context` - If `true`, the context from the `materializer` is propagated to the Flow.
+    - `:propagate_context` - If `true`, the context from the `materializer` is propagated to the `Flow`.
     - `:materializer` - The `%GRPC.Server.Stream{}` struct representing the current gRPC stream context.
     
   And any other options supported by `Flow`.