diff --git a/rastervision_core/rastervision/core/data/raster_source/rasterio_source.py b/rastervision_core/rastervision/core/data/raster_source/rasterio_source.py
index acb412145..39714d887 100644
--- a/rastervision_core/rastervision/core/data/raster_source/rasterio_source.py
+++ b/rastervision_core/rastervision/core/data/raster_source/rasterio_source.py
@@ -190,7 +190,7 @@ def __init__(self,
             uris (Union[str, List[str]]): One or more URIs of images. If more
                 than one, the images will be mosaiced together using GDAL.
             raster_transformers (List['RasterTransformer']): RasterTransformers
-                to use to trasnform chips after they are read.
+                to use to transform chips after they are read.
             allow_streaming (bool): If True, read data without downloading the
                 entire file first. Defaults to False.
             channel_order (Optional[Sequence[int]]): List of indices of
diff --git a/rastervision_core/rastervision/core/data/raster_source/rasterio_source_config.py b/rastervision_core/rastervision/core/data/raster_source/rasterio_source_config.py
index 249083004..1422f81b0 100644
--- a/rastervision_core/rastervision/core/data/raster_source/rasterio_source_config.py
+++ b/rastervision_core/rastervision/core/data/raster_source/rasterio_source_config.py
@@ -11,7 +11,7 @@ def rasterio_source_config_upgrader(cfg_dict: dict, version: int) -> dict:
         y_shift = cfg_dict.get('y_shift', 0)
         if x_shift != 0 or y_shift != 0:
             raise ConfigError('x_shift and y_shift are deprecated. '
-                              'Use the ShiftTrasnformer instead.')
+                              'Use the ShiftTransformer instead.')
         try:
             del cfg_dict['x_shift']
             del cfg_dict['y_shift']
diff --git a/rastervision_core/rastervision/core/data/raster_source/xarray_source.py b/rastervision_core/rastervision/core/data/raster_source/xarray_source.py
index da01d87a1..3a7bad590 100644
--- a/rastervision_core/rastervision/core/data/raster_source/xarray_source.py
+++ b/rastervision_core/rastervision/core/data/raster_source/xarray_source.py
@@ -38,7 +38,7 @@ def __init__(self,
             crs_transformer (CRSTransformer): A CRSTransformer defining the
                 mapping between pixel and map coords.
             raster_transformers (List['RasterTransformer']): RasterTransformers
-                to use to trasnform chips after they are read.
+                to use to transform chips after they are read.
             channel_order (Optional[Sequence[int]]): List of indices of
                 channels to extract from raw imagery. Can be a subset of the
                 available channels. If None, all channels available in the