Correct spelling mistakes

3 files changed, 7 insertions, 7 deletions

diff --git a/python/fatcat_tools/importers/common.py b/python/fatcat_tools/importers/common.py
index a84ce90f..694ef359 100644
--- a/python/fatcat_tools/importers/common.py
+++ b/python/fatcat_tools/importers/common.py
@@ -751,7 +751,7 @@ class KafkaJsonPusher(RecordPusher):
         while True:
             # Note: this is batch-oriented, because underlying importer is
             # often batch-oriented, but this doesn't confirm that entire batch
-            # has been pushed to fatcat before commiting offset. Eg, consider
+            # has been pushed to fatcat before committing offset. Eg, consider
             # case where there there is one update and thousands of creates;
             # update would be lingering in importer, and if importer crashed
             # never created.
diff --git a/python/fatcat_tools/importers/crossref.py b/python/fatcat_tools/importers/crossref.py
index d8abf3eb..18703a1a 100644
--- a/python/fatcat_tools/importers/crossref.py
+++ b/python/fatcat_tools/importers/crossref.py
@@ -9,7 +9,7 @@ import fatcat_openapi_client
 from .common import EntityImporter, clean
 
 
-# The docs/guide should be the cannonical home for these mappings; update there
+# The docs/guide should be the canonical home for these mappings; update there
 # first
 # Can get a list of Crossref types (with counts) via API:
 # https://api.crossref.org/works?rows=0&facet=type-name:*
@@ -180,7 +180,7 @@ class CrossrefImporter(EntityImporter):
             self.counts['skip-release-type'] += 1
             return None
 
-        # Do require the 'title' keys to exsit, as release entities do
+        # Do require the 'title' keys to exist, as release entities do
         if (not 'title' in obj) or (not obj['title']):
             self.counts['skip-blank-title'] += 1
             return None
diff --git a/python/fatcat_tools/importers/datacite.py b/python/fatcat_tools/importers/datacite.py
index 4e382348..9250fc5e 100644
--- a/python/fatcat_tools/importers/datacite.py
+++ b/python/fatcat_tools/importers/datacite.py
@@ -3,7 +3,7 @@ Prototype importer for datacite.org data.
 
 Example input document: https://api.datacite.org/dois/10.7916/d8-f93n-rk51
 
-Datacite being an aggregator, the data is heterogenous and exposes a couple of
+Datacite being an aggregator, the data is heterogeneous and exposes a couple of
 problems in content and structure. A few fields have their own parsing
 functions (parse_datacite_...), which may help testing.
 """
@@ -36,7 +36,7 @@ CONTAINER_TYPE_MAP = {
     'Book Series': 'book-series',
 }
 
-# The docs/guide should be the cannonical home for these mappings; update there
+# The docs/guide should be the canonical home for these mappings; update there
 # first.  Map various datacite type types to CSL-ish types. None means TODO or
 # remove.
 DATACITE_TYPE_MAP = {
@@ -227,7 +227,7 @@ class DataciteImporter(EntityImporter):
 
     def lookup_ext_ids(self, doi):
         """
-        Return dictionary of identifiers refering to the same things as the given DOI.
+        Return dictionary of identifiers referring to the same things as the given DOI.
         """
         if self.extid_map_db is None:
             return dict(core_id=None,
@@ -577,7 +577,7 @@ class DataciteImporter(EntityImporter):
 
         # Include certain relations from relatedIdentifiers. Keeping the
         # original structure of data here, which is a list of dicts, with
-        # relation type, identifer and identifier type (mostly).
+        # relation type, identifier and identifier type (mostly).
         relations = []
         for rel in relIds:
             if rel.get('relationType') in ('IsPartOf', 'Reviews', 'Continues',