diff --git a/doc/reference/comparison_greater.htm b/doc/reference/comparison_greater.htm
index 98612b0..407ad39 100644
--- a/doc/reference/comparison_greater.htm
+++ b/doc/reference/comparison_greater.htm
@@ -9,7 +9,7 @@
 <hr>
 
 <H2><a name="BOOST_PP_GREATER">#define BOOST_PP_GREATER</a>(X,Y)</H2>
- <P>Expands to 1 if X>Y and 0 otherwise.</P>
+ <P>Expands to 1 if X&gt;Y and 0 otherwise.</P>
 
 <H3>Uses</H3>
 <UL>
diff --git a/doc/reference/comparison_greater_equal.htm b/doc/reference/comparison_greater_equal.htm
index 25e399f..8e3f1a7 100644
--- a/doc/reference/comparison_greater_equal.htm
+++ b/doc/reference/comparison_greater_equal.htm
@@ -9,7 +9,7 @@
 <hr>
 
 <H2><a name="BOOST_PP_GREATER_EQUAL">#define BOOST_PP_GREATER_EQUAL</a>(X,Y)</H2>
- <P>Expands to 1 if X>=Y and 0 otherwise.</P>
+ <P>Expands to 1 if X&gt;=Y and 0 otherwise.</P>
 
 <H3>Uses</H3>
 <UL>
diff --git a/doc/reference/comparison_less.htm b/doc/reference/comparison_less.htm
index 8f13b43..490e603 100644
--- a/doc/reference/comparison_less.htm
+++ b/doc/reference/comparison_less.htm
@@ -9,7 +9,7 @@
 <hr>
 
 <H2><a name="BOOST_PP_LESS">#define BOOST_PP_LESS</a>(X,Y)</H2>
- <P>Expands to 1 if X<Y and 0 otherwise.</P>
+ <P>Expands to 1 if X&lt;Y and 0 otherwise.</P>
 
 <H3>Uses</H3>
 <UL>
diff --git a/doc/reference/comparison_less_equal.htm b/doc/reference/comparison_less_equal.htm
index 22ed2e8..f63bc5f 100644
--- a/doc/reference/comparison_less_equal.htm
+++ b/doc/reference/comparison_less_equal.htm
@@ -9,7 +9,7 @@
 <hr>
 
 <H2><a name="BOOST_PP_LESS_EQUAL">#define BOOST_PP_LESS_EQUAL</a>(X,Y)</H2>
- <P>Expands to 1 if X<=Y and 0 otherwise.</P>
+ <P>Expands to 1 if X&lt;=Y and 0 otherwise.</P>
 
 <H3>Uses</H3>
 <UL>
diff --git a/include/boost/preprocessor/comparison/greater.hpp b/include/boost/preprocessor/comparison/greater.hpp
index 002d159..8d8a90e 100644
--- a/include/boost/preprocessor/comparison/greater.hpp
+++ b/include/boost/preprocessor/comparison/greater.hpp
@@ -15,7 +15,7 @@
 
 #include <boost/preprocessor/comparison/less.hpp>
 
-/** <P>Expands to 1 if X>Y and 0 otherwise.</P>
+/** <P>Expands to 1 if X&gt;Y and 0 otherwise.</P>
 
 <H3>Uses</H3>
 <UL>
diff --git a/include/boost/preprocessor/comparison/greater_equal.hpp b/include/boost/preprocessor/comparison/greater_equal.hpp
index 9b4bc77..3ae8fe4 100644
--- a/include/boost/preprocessor/comparison/greater_equal.hpp
+++ b/include/boost/preprocessor/comparison/greater_equal.hpp
@@ -15,7 +15,7 @@
 
 #include <boost/preprocessor/comparison/less_equal.hpp>
 
-/** <P>Expands to 1 if X>=Y and 0 otherwise.</P>
+/** <P>Expands to 1 if X&gt;=Y and 0 otherwise.</P>
 
 <H3>Uses</H3>
 <UL>
diff --git a/include/boost/preprocessor/comparison/less.hpp b/include/boost/preprocessor/comparison/less.hpp
index 43f6c7e..7606ed5 100644
--- a/include/boost/preprocessor/comparison/less.hpp
+++ b/include/boost/preprocessor/comparison/less.hpp
@@ -17,7 +17,7 @@
 #include <boost/preprocessor/comparison/not_equal.hpp>
 #include <boost/preprocessor/logical/and.hpp>
 
-/** <P>Expands to 1 if X<Y and 0 otherwise.</P>
+/** <P>Expands to 1 if X&lt;Y and 0 otherwise.</P>
 
 <H3>Uses</H3>
 <UL>
diff --git a/include/boost/preprocessor/comparison/less_equal.hpp b/include/boost/preprocessor/comparison/less_equal.hpp
index 0b48322..e248e88 100644
--- a/include/boost/preprocessor/comparison/less_equal.hpp
+++ b/include/boost/preprocessor/comparison/less_equal.hpp
@@ -16,7 +16,7 @@
 #include <boost/preprocessor/arithmetic/sub.hpp>
 #include <boost/preprocessor/logical/not.hpp>
 
-/** <P>Expands to 1 if X<=Y and 0 otherwise.</P>
+/** <P>Expands to 1 if X&lt;=Y and 0 otherwise.</P>
 
 <H3>Uses</H3>
 <UL>