diff --git a/src/rez/tests/test_shells.py b/src/rez/tests/test_shells.py
index cf31219292..90d6c3068c 100644
--- a/src/rez/tests/test_shells.py
+++ b/src/rez/tests/test_shells.py
@@ -223,7 +223,7 @@ def _execute_code(func, expected_output):
             out, _ = p.communicate()
             self.assertEqual(p.returncode, 0)
 
-            # Powershell and Unix uses \n
+            # PowerShell and Unix uses \n
             sh = create_shell()
 
             output = out.strip().split(sh.line_terminator())
diff --git a/src/rez/util.py b/src/rez/util.py
index bdc2df51f3..e2361d3053 100644
--- a/src/rez/util.py
+++ b/src/rez/util.py
@@ -86,7 +86,7 @@ def create_executable_script(filepath, body, program=None, py_script_mode=None):
     # default python, or in case of later python versions 'py' that should
     # try to use sensible python interpreters depending on the shebang line.
     # Compare PEP-397.
-    # In order to execution to work from windows we need to create a .py
+    # In order for execution to work in windows we need to create a .py
     # file and set the PATHEXT to include .py (as done by the shell plugins)
     # So depending on the py_script_mode we might need to create more then
     # one script
diff --git a/src/rezplugins/shell/powershell_common/powershell_base.py b/src/rezplugins/shell/powershell_common/powershell_base.py
index a54b5a83fd..0e22b952ba 100644
--- a/src/rezplugins/shell/powershell_common/powershell_base.py
+++ b/src/rezplugins/shell/powershell_common/powershell_base.py
@@ -12,7 +12,7 @@
 
 class PowerShellBase(Shell):
     """
-    Abstract base class for Powershell-like shells.
+    Abstract base class for PowerShell-like shells.
     """
     expand_env_vars = True
 
@@ -20,7 +20,7 @@ class PowerShellBase(Shell):
     _executable = None
 
     # Make sure that the $Env:VAR formats come before the $VAR formats since
-    # Powershell Environment variables are ambiguous with Unix paths.
+    # PowerShell Environment variables are ambiguous with Unix paths.
     ENV_VAR_REGEX = re.compile(
         "|".join([
             "\\$[Ee][Nn][Vv]:([a-zA-Z_]+[a-zA-Z0-9_]*?)",       # $Env:ENVVAR
diff --git a/src/rezplugins/shell/pwsh.py b/src/rezplugins/shell/pwsh.py
index 952210cff7..600ea3dd6f 100644
--- a/src/rezplugins/shell/pwsh.py
+++ b/src/rezplugins/shell/pwsh.py
@@ -28,7 +28,7 @@ def get_syspaths(cls):
         else:
             # TODO: Newer versions of pwsh will parse .profile via sh [1], so
             # we could use a similar technique as SH itself. For now, to
-            # support older pwsh version we depend on SH on unix like platforms
+            # support older pwsh version we depend on SH on Unix-like platforms
             # directly.
             # [1] https://github.com/PowerShell/PowerShell/pull/10050
             from rezplugins.shell.sh import SH