diff --git a/piker/ui/_chart.py b/piker/ui/_chart.py
index 329f15f5..bbab5a41 100644
--- a/piker/ui/_chart.py
+++ b/piker/ui/_chart.py
@@ -50,7 +50,7 @@ from ._cursor import (
 from ..data._sharedmem import ShmArray
 from ._l1 import L1Labels
 from ._ohlc import BarItems
-from ._curve import FastAppendCurve
+from ._curve import Curve
 from ._style import (
     hcolor,
     CHART_MARGINS,
@@ -1069,7 +1069,7 @@ class ChartPlotWidget(pg.PlotWidget):
 
         # yah, we wrote our own B)
         data = shm.array
-        curve = FastAppendCurve(
+        curve = Curve(
             # antialias=True,
             name=name,
 
diff --git a/piker/ui/_curve.py b/piker/ui/_curve.py
index 0d32749e..2cf9f0b7 100644
--- a/piker/ui/_curve.py
+++ b/piker/ui/_curve.py
@@ -53,7 +53,7 @@ _line_styles: dict[str, int] = {
 }
 
 
-class FastAppendCurve(pg.GraphicsObject):
+class Curve(pg.GraphicsObject):
     '''
     A faster, simpler, append friendly version of
     ``pyqtgraph.PlotCurveItem`` built for highly customizable real-time
@@ -296,7 +296,7 @@ class FastAppendCurve(pg.GraphicsObject):
     ) -> None:
 
         profiler = pg.debug.Profiler(
-            msg=f'FastAppendCurve.paint(): `{self._name}`',
+            msg=f'Curve.paint(): `{self._name}`',
             disabled=not pg_profile_enabled(),
             ms_threshold=ms_slower_then,
         )
diff --git a/piker/ui/_flows.py b/piker/ui/_flows.py
index c5e813ea..c2e6ec09 100644
--- a/piker/ui/_flows.py
+++ b/piker/ui/_flows.py
@@ -60,7 +60,7 @@ from ._ohlc import (
     bar_from_ohlc_row,
 )
 from ._curve import (
-    FastAppendCurve,
+    Curve,
 )
 from ..log import get_logger
 
@@ -175,7 +175,7 @@ def render_baritems(
             format_xy=ohlc_flat_to_xy,
         )
 
-        curve = FastAppendCurve(
+        curve = Curve(
             name=f'{flow.name}_ds_ohlc',
             color=bars._color,
         )
@@ -661,7 +661,7 @@ class Flow(msgspec.Struct):  # , frozen=True):
                     last_read=read,
                 )
 
-        # ``FastAppendCurve`` case:
+        # ``Curve`` case:
         array_key = array_key or self.name
         # print(array_key)