diff --git a/Export-Excel.ps1 b/Export-Excel.ps1
index ccfea2d..9ab02fb 100644
--- a/Export-Excel.ps1
+++ b/Export-Excel.ps1
@@ -200,7 +200,7 @@ Function Export-Excel {
 
             foreach($format in $ConditionalFormat ) {
                 $target = "Add$($format.Formatter)"
-                $rule = ($ws.ConditionalFormatting).$target($format.Address, $format.IconType)
+                $rule = ($ws.ConditionalFormatting).$target.Invoke($format.Address, $format.IconType)
                 $rule.Reverse = $format.Reverse
             }
 
diff --git a/ImportExcel.psd1 b/ImportExcel.psd1
index ee3960b..34c62fe 100644
--- a/ImportExcel.psd1
+++ b/ImportExcel.psd1
@@ -4,7 +4,7 @@
 RootModule = 'ImportExcel.psm1'
 
 # Version number of this module.
-ModuleVersion = '1.83'
+ModuleVersion = '1.90'
 
 # ID used to uniquely identify this module
 GUID = '60dd4136-feff-401a-ba27-a84458c57ede'
diff --git a/PublishToGallery.ps1 b/PublishToGallery.ps1
index 38b0072..c664cc6 100644
--- a/PublishToGallery.ps1
+++ b/PublishToGallery.ps1
@@ -4,7 +4,7 @@ $p = @{
     NuGetApiKey = $NuGetApiKey
     LicenseUri = "https://github.com/dfinke/ImportExcel/blob/master/LICENSE.txt"
     Tag = "Excel","EPPlus","Export","Import"
-    ReleaseNote = "For Import-Excel: added -NoHeader parameter and returns .Value"
+    ReleaseNote = "Fixed v3.0 bug, added -HeaderRow, added Help for Export-Excel"
     ProjectUri = "https://github.com/dfinke/ImportExcel"
 }
 
diff --git a/README.md b/README.md
index 69afc48..1979a79 100644
--- a/README.md
+++ b/README.md
@@ -25,9 +25,27 @@ Know Issues
 What's new
 -
 
-#### 10/19/2015
+#### 10/20/2015
+
+Big bug fix for version 3.0 PowerShell folks!
+
+This technique fails in 3.0 and works in 4.0 and later.
+```powershell
+$m="substring"
+"hello".$m(2,1)
+```
+
+Adding `.invoke` works in 3.0 and later.
+
+```powershell
+$m="substring"
+"hello".$m.invoke(2,1)
+```
+
+A ***big thank you*** to [DarkLite1](https://github.com/DarkLite1) for adding the help to Export-Excel. 
 
 Added `-HeaderRow` parameter. Sometimes the heading does not start in Row 1.
+
  
 #### 10/16/2015