diff --git a/pyproject.toml b/pyproject.toml
index d96b34d9..7ef29168 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -109,3 +109,6 @@ testpaths = ["tests"]
 
 [tool.typos.files]
 extend-exclude = ["tests/data","docs/diagrams","*.json","*.html","*__init__.py"]
+
+[tool.typos.default.extend-words]
+TRE = "TRE"
diff --git a/rocrate_validator/profiles/five-safes-crate/profile.ttl b/rocrate_validator/profiles/five-safes-crate/profile.ttl
index b6a7c1f4..f144e01b 100644
--- a/rocrate_validator/profiles/five-safes-crate/profile.ttl
+++ b/rocrate_validator/profiles/five-safes-crate/profile.ttl
@@ -46,7 +46,7 @@
         # it's in JSON-LD format
         dct:format <https://w3id.org/mediatype/application/ld+json> ;
 
-        # it conforms to JSON-LD, here refered to by its namespace URI as a Profile
+        # it conforms to JSON-LD, here referred to by its namespace URI as a Profile
         dct:conformsTo <https://www.w3.org/TR/json-ld11/> ;
 
         # this profile resource plays the role of "Vocabulary"
@@ -64,7 +64,7 @@
         # it's in HTML format
         dct:format <https://w3id.org/mediatype/text/html> ;
 
-        # it conforms to HTML, here refered to by its namespace URI as a Profile
+        # it conforms to HTML, here referred to by its namespace URI as a Profile
         dct:conformsTo <https://www.w3.org/TR/html/> ;
 
         # this profile resource plays the role of "Specification"
diff --git a/tests/integration/profiles/five-safes-crate/test_5src_6_workflow_reference.py b/tests/integration/profiles/five-safes-crate/test_5src_6_workflow_reference.py
index 6951f2cb..bf5e577e 100644
--- a/tests/integration/profiles/five-safes-crate/test_5src_6_workflow_reference.py
+++ b/tests/integration/profiles/five-safes-crate/test_5src_6_workflow_reference.py
@@ -157,7 +157,7 @@ def test_5src_main_entity_has_two_conformsto():
     """
     Test a Five Safes Crate where the mainEntity -> purl:conformsTo has two
     objects.
-    (we add second obcject to mainEntity -> purl:conformsTo to violate maxCount 1).
+    (we add second object to mainEntity -> purl:conformsTo to violate maxCount 1).
     """
     sparql = (
         SPARQL_PREFIXES
diff --git a/tests/integration/profiles/five-safes-crate/test_5src_9_inputs.py b/tests/integration/profiles/five-safes-crate/test_5src_9_inputs.py
index 732c01d8..e6517098 100644
--- a/tests/integration/profiles/five-safes-crate/test_5src_9_inputs.py
+++ b/tests/integration/profiles/five-safes-crate/test_5src_9_inputs.py
@@ -30,7 +30,7 @@ def test_input_does_not_reference_formalparameter():
     """
     Test a Five Safes Crate where an input entity does not reference a
     `bioschemas:FormalParameter using `schema:exampleOfWork`.
-    (We replace tjhe ?object of input --> exampleOfWork  with a literal)
+    (We replace the ?object of input --> exampleOfWork  with a literal)
     """
     sparql = (
         SPARQL_PREFIXES