diff --git a/packages/testing/src/execution_testing/exceptions/engine_api.py b/packages/testing/src/execution_testing/exceptions/engine_api.py
index abb1c69ea4..0ff5d834c8 100644
--- a/packages/testing/src/execution_testing/exceptions/engine_api.py
+++ b/packages/testing/src/execution_testing/exceptions/engine_api.py
@@ -1,4 +1,4 @@
-"""Engine API error defniitions."""
+"""Engine API error definitions."""
 
 from enum import IntEnum
 
diff --git a/packages/testing/src/execution_testing/exceptions/exceptions.py b/packages/testing/src/execution_testing/exceptions/exceptions.py
index 8abf5d031b..c97553045f 100644
--- a/packages/testing/src/execution_testing/exceptions/exceptions.py
+++ b/packages/testing/src/execution_testing/exceptions/exceptions.py
@@ -492,7 +492,7 @@ class EOFException(ExceptionBase):
     """Indicates that exception string is not mapped to an exception enum."""
 
     UNDEFINED_INSTRUCTION = auto()
-    """EOF container has undefined instruction in it's body code."""
+    """EOF container has undefined instruction in its body code."""
 
     UNKNOWN_VERSION = auto()
     """EOF container has an unknown version."""
@@ -543,7 +543,7 @@ class EOFException(ExceptionBase):
     TOO_MANY_CODE_SECTIONS = auto()
     """EOF container header has too many code sections."""
     MISSING_STOP_OPCODE = auto()
-    """EOF container's code missing STOP bytecode at it's end."""
+    """EOF container's code missing STOP bytecode at its end."""
     INPUTS_OUTPUTS_NUM_ABOVE_LIMIT = auto()
     """EOF container code section inputs/outputs number is above the limit"""
     UNREACHABLE_INSTRUCTIONS = auto()
@@ -551,9 +551,9 @@ class EOFException(ExceptionBase):
     UNREACHABLE_CODE_SECTIONS = auto()
     """EOF container's body have code sections that are unreachable."""
     STACK_UNDERFLOW = auto()
-    """EOF container's code produces an stack underflow."""
+    """EOF container's code produces a stack underflow."""
     STACK_OVERFLOW = auto()
-    """EOF container's code produces an stack overflow."""
+    """EOF container's code produces a stack overflow."""
     STACK_HEIGHT_MISMATCH = auto()
     """EOF container section stack height mismatch."""
     MAX_STACK_INCREASE_ABOVE_LIMIT = auto()
diff --git a/packages/testing/src/execution_testing/exceptions/exceptions/eof.py b/packages/testing/src/execution_testing/exceptions/exceptions/eof.py
index 0e9c0c5f6c..2e1f7f1b8d 100644
--- a/packages/testing/src/execution_testing/exceptions/exceptions/eof.py
+++ b/packages/testing/src/execution_testing/exceptions/exceptions/eof.py
@@ -16,7 +16,7 @@ class EOFException(ExceptionBase):
     """Indicates that exception string is not mapped to an exception enum."""
 
     UNDEFINED_INSTRUCTION = auto()
-    """EOF container has undefined instruction in it's body code."""
+    """EOF container has undefined instruction in its body code."""
 
     UNKNOWN_VERSION = auto()
     """EOF container has an unknown version."""
@@ -67,7 +67,7 @@ class EOFException(ExceptionBase):
     TOO_MANY_CODE_SECTIONS = auto()
     """EOF container header has too many code sections."""
     MISSING_STOP_OPCODE = auto()
-    """EOF container's code missing STOP bytecode at it's end."""
+    """EOF container's code missing STOP bytecode at its end."""
     INPUTS_OUTPUTS_NUM_ABOVE_LIMIT = auto()
     """EOF container code section inputs/outputs number is above the limit"""
     UNREACHABLE_INSTRUCTIONS = auto()
@@ -75,9 +75,9 @@ class EOFException(ExceptionBase):
     UNREACHABLE_CODE_SECTIONS = auto()
     """EOF container's body have code sections that are unreachable."""
     STACK_UNDERFLOW = auto()
-    """EOF container's code produces an stack underflow."""
+    """EOF container's code produces a stack underflow."""
     STACK_OVERFLOW = auto()
-    """EOF container's code produces an stack overflow."""
+    """EOF container's code produces a stack overflow."""
     STACK_HEIGHT_MISMATCH = auto()
     """EOF container section stack height mismatch."""
     MAX_STACK_INCREASE_ABOVE_LIMIT = auto()
diff --git a/repo_subpaths_for_grammar_check.md b/repo_subpaths_for_grammar_check.md
index d6fc5c88e8..c6020b80d3 100644
--- a/repo_subpaths_for_grammar_check.md
+++ b/repo_subpaths_for_grammar_check.md
@@ -28,7 +28,7 @@ Status legend: `[ ]` pending, `[~]` in progress, `[x]` complete
 - [x] `packages/testing/src/execution_testing/client_clis/**/*.py` (~21 files)
 - [x] `packages/testing/src/execution_testing/base_types/**/*.py` (~15 files)
 - [x] `packages/testing/src/execution_testing/forks/**/*.py` (~13 files)
-- [ ] `packages/testing/src/execution_testing/tools/**/*.py`, `exceptions/**/*.py` (~24 files)
+- [x] `packages/testing/src/execution_testing/tools/**/*.py`, `exceptions/**/*.py` (~24 files)
 - [ ] `packages/testing/src/execution_testing/vm/**/*.py`, `rpc/**/*.py`, `config/**/*.py` (~17 files)
 - [ ] `packages/testing/src/execution_testing/logging/**/*.py`, `execution/**/*.py`, `checklists/**/*.py`, `benchmark/**/*.py` (~14 files)
 - [ ] `packages/testing/src/execution_testing/*.py` (root files, ~2 files)