diff --git a/docs/source/conf.py b/docs/source/conf.py
index 7347951..bf64351 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -42,7 +42,6 @@
     "sphinx.ext.coverage",
     "sphinx.ext.napoleon",
     "sphinx.ext.intersphinx",
-    'sphinx.ext.autosectionlabel',
     "sphinxcontrib.spelling",
 ]
 
diff --git a/harmonize_wq/clean.py b/harmonize_wq/clean.py
index 9feddaf..344f8b1 100644
--- a/harmonize_wq/clean.py
+++ b/harmonize_wq/clean.py
@@ -198,8 +198,8 @@ def methods_check(df_in, char_val, methods=None):
 def wet_dry_checks(df_in, mask=None):
     """Fix suspected errors in 'ActivityMediaName' column.
     
-    Uses the 'ResultWeightBasisText' and 'ResultSampleFractionText' columns to swicth if the media is
-    wet/dry where appropriate.
+    Uses the 'ResultWeightBasisText' and 'ResultSampleFractionText' columns to
+    switch if the media is wet/dry where appropriate.
 
     Parameters
     ----------
diff --git a/harmonize_wq/domains.py b/harmonize_wq/domains.py
index 8925a10..7fd5bb4 100644
--- a/harmonize_wq/domains.py
+++ b/harmonize_wq/domains.py
@@ -542,7 +542,7 @@ def xy_datum():
     -----
     source WQP: HorizontalCoordinateReferenceSystemDatum_CSV.zip
     
-    Anything not in dict will be nan, and non-integer EPSG will be missing:
+    Anything not in dict will be NaN, and non-integer EPSG will be missing:
     "OTHER": {"Description": 'Other', "EPSG": nan},
     "UNKWN": {"Description": 'Unknown', "EPSG": nan}
 
diff --git a/harmonize_wq/location.py b/harmonize_wq/location.py
index 7422e88..5ff78d2 100644
--- a/harmonize_wq/location.py
+++ b/harmonize_wq/location.py
@@ -18,7 +18,7 @@ def infer_CRS(df_in,
               crs_col='HorizontalCoordinateReferenceSystemDatumName'):
     """Replace missing or unrecognized Coordinate Reference System (CRS).
     
-    Replaces with desired CRS and notes it was mising in 'QA_flag' column.
+    Replaces with desired CRS and notes it was missing in 'QA_flag' column.
 
     Parameters
     ----------
diff --git a/harmonize_wq/visualize.py b/harmonize_wq/visualize.py
index b648338..34cba37 100644
--- a/harmonize_wq/visualize.py
+++ b/harmonize_wq/visualize.py
@@ -75,7 +75,7 @@ def map_counts(df_in, gdf, col=None):
         GeoDataFrame with monitoring locations.
     col : str, optional
         Column in df_in to aggregate results to in addition to location.
-        The default is None, where results are only aggregated on locaion.
+        The default is None, where results are only aggregated on location.
 
     Returns
     -------
diff --git a/harmonize_wq/wq_data.py b/harmonize_wq/wq_data.py
index f3ae091..78e37e5 100644
--- a/harmonize_wq/wq_data.py
+++ b/harmonize_wq/wq_data.py
@@ -35,7 +35,7 @@ class WQCharData():
         pint unit registry, initially standard unit registry.
     units : str
         Units all results in out_col column will be converted into.
-        Default units are returned from :func:`domains.OUT_UNITS`[out_col].
+        Default units are returned from :func:`domains.OUT_UNITS` [out_col].
     
     Examples
     --------
@@ -261,7 +261,7 @@ def check_units(self, flag_col=None):
         Parameters
         ----------
         flag_col : str, optional
-            Column to reference in srting for 'QA_flags'.
+            Column to reference in string for 'QA_flags'.
             The default None uses WQCharData.col.unit_out attribute.
         
         Returns
diff --git a/harmonize_wq/wrangle.py b/harmonize_wq/wrangle.py
index 35b0b57..e603d50 100644
--- a/harmonize_wq/wrangle.py
+++ b/harmonize_wq/wrangle.py
@@ -78,7 +78,7 @@ def split_col(df_in, result_col='QA_flag', col_prefix='QA'):
     Examples
     --------
     See any of the 'Simple' notebooks found in 
-    `demo s<https://github.com/USEPA/harmonize-wq/tree/main/demos>`_ for
+    `demos <https://github.com/USEPA/harmonize-wq/tree/main/demos>`_ for
     examples of how this function is used to split the QA column into multiple
     characteristic specific QA columns.