diff --git a/src/System.Management.Automation/engine/COM/ComAdapter.cs b/src/System.Management.Automation/engine/COM/ComAdapter.cs
index f2eebbe32..a50642b55 100644
--- a/src/System.Management.Automation/engine/COM/ComAdapter.cs
+++ b/src/System.Management.Automation/engine/COM/ComAdapter.cs
@@ -170,7 +170,7 @@ namespace System.Management.Automation
///
/// PSProperty coming from a previous call to DoGetProperty
/// value to set the property with
- /// instructs the adapter to convert before setting, if the adapter suports conversion
+ /// instructs the adapter to convert before setting, if the adapter supports conversion
protected override void PropertySet(PSProperty property, object setValue, bool convertIfPossible)
{
ComProperty prop = (ComProperty)property.adapterData;
diff --git a/src/System.Management.Automation/engine/COM/ComTypeInfo.cs b/src/System.Management.Automation/engine/COM/ComTypeInfo.cs
index e49800110..e2b39431c 100644
--- a/src/System.Management.Automation/engine/COM/ComTypeInfo.cs
+++ b/src/System.Management.Automation/engine/COM/ComTypeInfo.cs
@@ -258,7 +258,7 @@ namespace System.Management.Automation
/// ITypeInfo reference to the Dispatch interface
internal static COM.ITypeInfo GetDispatchTypeInfoFromCoClassTypeInfo(COM.ITypeInfo typeinfo)
{
- //Get the number of interfaces implmented by this CoClass.
+ //Get the number of interfaces implemented by this CoClass.
COM.TYPEATTR typeattr = GetTypeAttr(typeinfo);
int count = typeattr.cImplTypes;
int href;
diff --git a/src/System.Management.Automation/engine/COM/ComUtil.cs b/src/System.Management.Automation/engine/COM/ComUtil.cs
index 8f0f56f0e..0c5d6a133 100644
--- a/src/System.Management.Automation/engine/COM/ComUtil.cs
+++ b/src/System.Management.Automation/engine/COM/ComUtil.cs
@@ -30,7 +30,7 @@ namespace System.Management.Automation
///
/// ITypeInfo interface of the object
/// FuncDesc which defines the method
- /// True if this is a property put; these properties take their return type from their first paramenter
+ /// True if this is a property put; these properties take their return type from their first parameter
/// signature of the method
internal static string GetMethodSignatureFromFuncDesc(COM.ITypeInfo typeinfo, COM.FUNCDESC funcdesc, bool isPropertyPut)
{