diff --git a/xdocs/compatibility.xml b/xdocs/compatibility.xml
index f78fa249b..fa697ac4a 100644
--- a/xdocs/compatibility.xml
+++ b/xdocs/compatibility.xml
@@ -27,7 +27,7 @@
 <section name="Version compatibility of Commons Collections">
 
 <p>
-This page details the compatibiilty of different collections releases.
+This page details the compatibility of different collections releases.
 </p>
 
 <p>
@@ -88,7 +88,7 @@ The following deprecations must be resolved in v2.1.1 to allow compatibiilty wit
 
 <p>
 For the future, a new tool <a href="http://clirr.sourceforge.net">clirr</a> is being developed
-to help spot binary incompatibiilty before release.
+to help spot binary incompatibility before release.
 </p>
 
 </section>
diff --git a/xdocs/history.xml b/xdocs/history.xml
index c4ba29c20..755082813 100644
--- a/xdocs/history.xml
+++ b/xdocs/history.xml
@@ -35,7 +35,7 @@ This page documents some of the key stages.
 <b>Collections 1.0</b> was a gathering of different Collection, Comparator, Iterator and
 Utility classes written elsewhere in Jakarta.
 At this stage, the component focussed mainly on getting re-use of code by making
-everything avaialable together.
+everything available together.
 </p>
 <p>
 All classes were placed in one package except the comparators, which had their own subpackage.
diff --git a/xdocs/userguide.xml b/xdocs/userguide.xml
index 5b55a9bb1..95701a54d 100644
--- a/xdocs/userguide.xml
+++ b/xdocs/userguide.xml
@@ -122,7 +122,7 @@ map.nextKey("SIX");  // returns "SEVEN"
 
 <p>
 A new interface hierarchy has been added to support bidirectional maps - <code>BidiMap.</code>
-These represent maps where the the key can lookup the value and the value can lookup the key with equal ease.
+These represent maps where the key can lookup the value and the value can lookup the key with equal ease.
 </p>
 <source>
 BidiMap bidi = new TreeBidiMap();