diff --git a/jsonschema-core.xml b/jsonschema-core.xml
index 75eecd4a..32c065c7 100644
--- a/jsonschema-core.xml
+++ b/jsonschema-core.xml
@@ -113,7 +113,7 @@
                 </t>
             </section>
 
-            <section title="Hypermedia and linking">
+            <section title="Hypermedia and Linking">
                 <t>
                     JSON Hyper-Schema describes the hypertext structure of a JSON document.
                     This includes link relations from the instance to other resources, interpretation of instances as multimedia data, and submission data required to use an API.
@@ -126,7 +126,7 @@
 
         <section title="Definitions">
 
-            <section title="JSON document">
+            <section title="JSON Document">
                 <t>
                     A JSON document is an information resource (series of octets) described by the application/json media type.
                 </t>
@@ -138,7 +138,7 @@
                 </t>
             </section>
 
-            <section title="instance">
+            <section title="Instance">
                 <t>
                     JSON Schema interprets documents according to a data model. A JSON value interpreted according to this data model is called an "instance".
                 </t>
@@ -162,7 +162,7 @@
                 </t>
             </section>
 
-            <section title="instance equality">
+            <section title="Instance equality">
                 <t>
                     Two JSON instances are said to be equal if and only if they are of the same type and have the same value according to the data model. Specifically, this means: