diff --git a/docs/manual/CoreTasks/changelog.html b/docs/manual/CoreTasks/changelog.html
index 56a8f52dd..ca951d3c0 100644
--- a/docs/manual/CoreTasks/changelog.html
+++ b/docs/manual/CoreTasks/changelog.html
@@ -28,9 +28,14 @@
 <h3>Description</h3>
 <p>Generates an XML-formatted report file of the change logs recorded in a
 <a href="http://www.nongnu.org/cvs/" target="_top">CVS</a> repository. </p>
-<p><b>Important:</b> This task needs "cvs" on the path. If it isn't, you will get
-an error (such as error 2 on windows). If <code>&lt;cvs&gt;</code> doesn't work, try to execute cvs.exe
+<p><b>Important:</b> This task needs &quot;<code>cvs</code>&quot; on the path. If it isn't, you will get
+an error (such as error <code>2</code> on windows). If <code>&lt;cvs&gt;</code> doesn't work, try to execute <code>cvs.exe</code>
 from the command line in the target directory in which you are working.
+Also note that this task assumes that the cvs exceutable is compatible
+with the Unix version from cvshome.org, this is not completely true
+for certain other cvs clients - like CVSNT for example - and some
+operation may fail when using such an incompatible client.
+</p>
 <h3>Parameters</h3>
 <table border="1" cellpadding="2" cellspacing="0">
   <tr>
diff --git a/docs/manual/CoreTasks/cvs.html b/docs/manual/CoreTasks/cvs.html
index ae53c9021..a99486e63 100644
--- a/docs/manual/CoreTasks/cvs.html
+++ b/docs/manual/CoreTasks/cvs.html
@@ -31,6 +31,11 @@
 <p><b>Important:</b> This task needs &quot;<code>cvs</code>&quot; on the path. If it isn't, you will get
 an error (such as error <code>2</code> on windows). If <code>&lt;cvs&gt;</code> doesn't work, try to execute <code>cvs.exe</code>
 from the command line in the target directory in which you are working.
+Also note that this task assumes that the cvs exceutable is compatible
+with the Unix version from cvshome.org, this is not completely true
+for certain other cvs clients - like CVSNT for example - and some
+operation may fail when using such an incompatible client.
+</p>
 
 <p><b>CVSNT Note</b>: CVSNT prefers users to store the passwords
 inside the registry.  If the <a href="cvspass.html">cvspass task</a>
diff --git a/docs/manual/CoreTasks/cvstagdiff.html b/docs/manual/CoreTasks/cvstagdiff.html
index 5c8a9e72e..cfd4d8090 100644
--- a/docs/manual/CoreTasks/cvstagdiff.html
+++ b/docs/manual/CoreTasks/cvstagdiff.html
@@ -25,9 +25,14 @@
 <h3>Description</h3>
 <p>Generates an XML-formatted report file of the changes between two tags or dates recorded in a
 <a href="http://www.nongnu.org/cvs/" target="_top">CVS</a> repository. </p>
-<p><b>Important:</b> This task needs "cvs" on the path. If it isn't, you will get
-an error (such as error 2 on windows). If <code>&lt;cvs&gt;</code> doesn't work, try to execute <code>cvs.exe</code>
+<p><b>Important:</b> This task needs &quot;<code>cvs</code>&quot; on the path. If it isn't, you will get
+an error (such as error <code>2</code> on windows). If <code>&lt;cvs&gt;</code> doesn't work, try to execute <code>cvs.exe</code>
 from the command line in the target directory in which you are working.
+Also note that this task assumes that the cvs exceutable is compatible
+with the Unix version from cvshome.org, this is not completely true
+for certain other cvs clients - like CVSNT for example - and some
+operation may fail when using such an incompatible client.
+</p>
 <h3>Parameters</h3>
 <table border="1" cellpadding="2" cellspacing="0">
   <tr>