diff --git a/documentation/source/graphicsItems/isocurveitem.rst b/documentation/source/graphicsItems/isocurveitem.rst
index 5a027581..01b8ee69 100644
--- a/documentation/source/graphicsItems/isocurveitem.rst
+++ b/documentation/source/graphicsItems/isocurveitem.rst
@@ -1,7 +1,7 @@
 IsocurveItem
-========
+============
 
 .. autoclass:: pyqtgraph.IsocurveItem
     :members:
 
-    .. automethod:: pyqtgraph.IsocurveItem.__init__
\ No newline at end of file
+    .. automethod:: pyqtgraph.IsocurveItem.__init__
diff --git a/graphicsItems/PlotDataItem.py b/graphicsItems/PlotDataItem.py
index f287f9f3..f50f0c32 100644
--- a/graphicsItems/PlotDataItem.py
+++ b/graphicsItems/PlotDataItem.py
@@ -424,7 +424,8 @@ class PlotDataItem(GraphicsObject):
     def dataBounds(self, ax, frac=1.0, orthoRange=None):
         """
         Returns the range occupied by the data (along a specific axis) in this item.
-        Tis method is called by ViewBox when auto-scaling.
+        This method is called by ViewBox when auto-scaling.
+
         =============== =============================================================
         **Arguments:**
         ax              (0 or 1) the axis for which to return this item's data range
@@ -669,4 +670,4 @@ def isSequence(obj):
             #return self.data.keys()
             
     #def keys(self):
-        #return self.columnNames()
\ No newline at end of file
+        #return self.columnNames()