diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf45f2d..b4093d1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Conceptual help for MOF-based resource works again (broken in v0.7.3)
+  ([issue #55](https://github.com/dsccommunity/DscResource.DocGenerator/issues/55)).
+
 ## [0.7.3] - 2021-02-02
 
 ### Added
diff --git a/source/Public/New-DscResourcePowerShellHelp.ps1 b/source/Public/New-DscResourcePowerShellHelp.ps1
index 6348e77..f7bafcb 100644
--- a/source/Public/New-DscResourcePowerShellHelp.ps1
+++ b/source/Public/New-DscResourcePowerShellHelp.ps1
@@ -124,8 +124,8 @@ function New-DscResourcePowerShellHelp
     )
 
     #region MOF-based resource
-    $mofSearchPath = (Join-Path -Path $ModulePath -ChildPath '\**\*.schema.mof')
-    $mofSchemas = @(Get-ChildItem -Path $mofSearchPath -File -Recurse)
+    $mofSearchPath = Join-Path -Path $ModulePath -ChildPath '\**\*.schema.mof'
+    $mofSchemas = @(Get-ChildItem -Path $mofSearchPath -Recurse)
 
     Write-Verbose -Message ($script:localizedData.FoundMofFilesMessage -f $mofSchemas.Count, $ModulePath)
 
diff --git a/tests/unit/public/New-DscResourcePowerShellHelp.Tests.ps1 b/tests/unit/public/New-DscResourcePowerShellHelp.Tests.ps1
index 985d4de..59eb7c5 100644
--- a/tests/unit/public/New-DscResourcePowerShellHelp.Tests.ps1
+++ b/tests/unit/public/New-DscResourcePowerShellHelp.Tests.ps1
@@ -339,8 +339,7 @@ Configuration Example
             Context 'When there is no schemas found in the module folder' {
                 BeforeAll {
                     Mock `
-                        -CommandName Get-ChildItem `
-                        -ParameterFilter $script:getChildItemSchema_parameterFilter
+                        -CommandName Get-ChildItem
 
                     Mock `
                         -CommandName Out-File `
@@ -352,6 +351,18 @@ Configuration Example
                 }
 
                 It 'Should call the expected mocks ' {
+                    <#
+                        Regression test for issue https://github.com/dsccommunity/DscResource.DocGenerator/issues/55.
+                        When parameter File is present the command Get-ChildItem
+                        returns 0 (zero) files.
+                    #>
+                    Assert-MockCalled `
+                        -CommandName Get-ChildItem `
+                        -ParameterFilter {
+                            $PSBoundParameters.ContainsKey('File') -eq $false
+                        } `
+                        -Exactly -Times 1
+
                     Assert-MockCalled `
                         -CommandName Get-ChildItem `
                         -ParameterFilter $script:getChildItemSchema_parameterFilter `