diff --git a/chapter08/gmp.xml b/chapter08/gmp.xml
index de3f0ee8b..c2fd316f8 100644
--- a/chapter08/gmp.xml
+++ b/chapter08/gmp.xml
@@ -128,7 +128,7 @@ make install-html</userinput></screen>
     <title>Contents of GMP</title>
 
     <segmentedlist>
-      <segtitle>Installed Libraries</segtitle>
+      <segtitle>Installed libraries</segtitle>
       <segtitle>Installed directory</segtitle>
 
       <seglistitem>
diff --git a/chapter08/libelf.xml b/chapter08/libelf.xml
index 23b66222a..a17818274 100644
--- a/chapter08/libelf.xml
+++ b/chapter08/libelf.xml
@@ -70,8 +70,8 @@ rm /usr/lib/libelf.a</userinput></screen>
     <title>Contents of Libelf</title>
 
     <segmentedlist>
-      <segtitle>Installed Library</segtitle>
-      <segtitle>Installed Directory</segtitle>
+      <segtitle>Installed library</segtitle>
+      <segtitle>Installed directory</segtitle>
 
       <seglistitem>
         <seg>
diff --git a/chapter08/mpc.xml b/chapter08/mpc.xml
index ad46b7e43..941ee041c 100644
--- a/chapter08/mpc.xml
+++ b/chapter08/mpc.xml
@@ -69,8 +69,8 @@ make install-html</userinput></screen>
     <title>Contents of MPC</title>
 
     <segmentedlist>
-      <segtitle>Installed Libraries</segtitle>
-      <segtitle>Installed Directory</segtitle>
+      <segtitle>Installed libraries</segtitle>
+      <segtitle>Installed directory</segtitle>
 
       <seglistitem>
         <seg>libmpc.so</seg>
diff --git a/chapter08/mpfr.xml b/chapter08/mpfr.xml
index 60181d6e9..cba4a64aa 100644
--- a/chapter08/mpfr.xml
+++ b/chapter08/mpfr.xml
@@ -74,7 +74,7 @@ make install-html</userinput></screen>
     <title>Contents of MPFR</title>
 
     <segmentedlist>
-      <segtitle>Installed Libraries</segtitle>
+      <segtitle>Installed libraries</segtitle>
       <segtitle>Installed directory</segtitle>
 
       <seglistitem>
diff --git a/chapter08/python.xml b/chapter08/python.xml
index 1ac1b538a..a4bfeaf91 100644
--- a/chapter08/python.xml
+++ b/chapter08/python.xml
@@ -191,9 +191,9 @@ tar --strip-components=1  \
     <title>Contents of Python 3</title>
 
     <segmentedlist>
-      <segtitle>Installed Programs</segtitle>
-      <segtitle>Installed Library</segtitle>
-      <segtitle>Installed Directories</segtitle>
+      <segtitle>Installed programs</segtitle>
+      <segtitle>Installed library</segtitle>
+      <segtitle>Installed directories</segtitle>
 
       <seglistitem>
         <seg>