diff --git a/reView/cli.py b/reView/cli.py
index 7e0e47d..2b0437d 100644
--- a/reView/cli.py
+++ b/reView/cli.py
@@ -516,12 +516,12 @@ def map_column(
               default=None,
               type=click.IntRange(min=0, max=500),
               help=("Width of output histogram. If not specified, default "
-                    "width is 80% of the termimal width."))
+                    "width is 80% of the terminal width."))
 @click.option('--height', '-H', required=False,
               default=None,
               type=click.IntRange(min=0, max=500),
               help=("Height of output histogram. If not specified, default "
-                    "height is the smaller of 50% of the terminal width or "
+                    "height is the smaller of 20% of the terminal width or "
                     "100% of the terminal height."))
 def histogram(supply_curve_csv, column, nbins, width, height):
     """
diff --git a/reView/utils/plots.py b/reView/utils/plots.py
index 8e86a92..d4bd09c 100644
--- a/reView/utils/plots.py
+++ b/reView/utils/plots.py
@@ -325,6 +325,18 @@ def ascii_histogram(df, column, nbins=20, width=None, height=None):
         Name of column to plot. Must have a numeric dtype.
     nbins : int, optional
         Number of bins to plot in the histogram, by default 20.
+    width : int, optional
+        Width of the histogram plot (in characters). By default None, which
+        will set the width to 80% of the terminal width.
+    height : int, optional
+        Height of the histogram plot (in characters). By default None, which
+        will set the width to the smaller of either 20% of the terminal width
+        or 100% of the terminal height.
+
+    Raises
+    ------
+    TypeError
+        _description_
     """
 
     if not is_numeric_dtype(df[column]):