Clarify units in MaxPooledBufferCap readme line

Author: kainosnoema

README.md

@@ -149,7 +149,7 @@ schema := graphql.MustParseSchema(sdl, &RootResolver{}, nil)
 - `UseFieldResolvers()` specifies whether to use struct field resolvers.
 - `MaxDepth(n int)` specifies the maximum field nesting depth in a query. The default is 0 which disables max depth checking.
 - `MaxParallelism(n int)` specifies the maximum number of resolvers per request allowed to run in parallel. The default is 10.
-- `MaxPooledBufferCap(n int)` specifies the maximum buffer size in bytes that will be pooled. Increase to reduce allocations, set to `0` to disable buffer pooling. The default is 8KB.
+- `MaxPooledBufferCap(nBytes int)` specifies the maximum buffer size in bytes that will be pooled. Increase to reduce allocations, set to `0` to disable buffer pooling. The default is 8KB.
 - `Tracer(tracer trace.Tracer)` is used to trace queries and fields. It defaults to `noop.Tracer`.
 - `Logger(logger log.Logger)` is used to log panics during query execution. It defaults to `exec.DefaultLogger`.
 - `PanicHandler(panicHandler errors.PanicHandler)` is used to transform panics into errors during query execution. It defaults to `errors.DefaultPanicHandler`.

graphql.go

@@ -151,8 +151,8 @@ func MaxParallelism(n int) SchemaOpt {
 // MaxPooledBufferCap sets the maximum buffer capacity (in bytes) for pooled buffers.
 // Buffers larger than this will not be returned to the pool. The default is 8KB.
 // Set to 0 to disable buffer pooling entirely (not recommended for most use cases).
-func MaxPooledBufferCap(n int) SchemaOpt {
-	return func(s *Schema) { s.maxPooledBufferCap = n }
+func MaxPooledBufferCap(nBytes int) SchemaOpt {
+	return func(s *Schema) { s.maxPooledBufferCap = nBytes }
 }
 
 // MaxQueryLength specifies the maximum allowed query length in bytes. The default is 0 which disables max length checking.