diff --git a/README.md b/README.md
index 87dd22b5..a881cb73 100644
--- a/README.md
+++ b/README.md
@@ -106,7 +106,7 @@ Name | Description
 `LISTEN_ADDR` | The IP address to bind to. Defaults to 0.0.0.0
 `LISTEN_PORT` | The port to bind to. Defaults to 9182.
 `METRICS_PATH` | The path at which to serve metrics. Defaults to `/metrics`
-`TEXTFILE_DIR` | As the `--collector.textfile.directory` flag, provide a directory to read text files with metrics from
+`TEXTFILE_DIRS` | As the `--collector.textfile.directories` flag, provide a directory to read text files with metrics from
 `REMOTE_ADDR` | Allows setting comma separated remote IP addresses for the Windows Firewall exception (allow list). Defaults to an empty string (any remote address).
 `EXTRA_FLAGS` | Allows passing full CLI flags. Defaults to an empty string.
 
@@ -123,7 +123,7 @@ msiexec /i <path-to-msi-file> ENABLED_COLLECTORS=os,service --% EXTRA_FLAGS="--c
 
 On some older versions of Windows you may need to surround parameter values with double quotes to get the install command parsing properly:
 ```powershell
-msiexec /i C:\Users\Administrator\Downloads\windows_exporter.msi ENABLED_COLLECTORS="ad,iis,logon,memory,process,tcp,textfile,thermalzone" TEXTFILE_DIR="C:\custom_metrics\"
+msiexec /i C:\Users\Administrator\Downloads\windows_exporter.msi ENABLED_COLLECTORS="ad,iis,logon,memory,process,tcp,textfile,thermalzone" TEXTFILE_DIRS="C:\custom_metrics\"
 ```
 
 Powershell versions 7.3 and above require [PSNativeCommandArgumentPassing](https://learn.microsoft.com/en-us/powershell/scripting/learn/experimental-features?view=powershell-7.3) to be set to `Legacy` when using `--% EXTRA_FLAGS`:
diff --git a/installer/windows_exporter.wxs b/installer/windows_exporter.wxs
index a67eff95..e13400c3 100644
--- a/installer/windows_exporter.wxs
+++ b/installer/windows_exporter.wxs
@@ -44,8 +44,8 @@
       <Custom Action="RemoveEventSource" After="InstallInitialize" />
     </InstallExecuteSequence>
 
-    <Property Id="TEXTFILE_DIR" Secure="yes" />
-    <SetProperty Id="TextfileDirFlag" After="InstallFiles" Sequence="execute" Value="--collector.textfile.directory [TEXTFILE_DIR]" Condition="TEXTFILE_DIR" />
+    <Property Id="TEXTFILE_DIRS" Secure="yes" />
+    <SetProperty Id="TextfileDirsFlag" After="InstallFiles" Sequence="execute" Value="--collector.textfile.directories [TEXTFILE_DIRS]" Condition="TEXTFILE_DIRS" />
 
     <ComponentGroup Id="Files">
       <Component Directory="APPLICATIONROOTDIRECTORY">