diff --git a/pmd-javascript/src/main/resources/category/ecmascript/bestpractices.xml b/pmd-javascript/src/main/resources/category/ecmascript/bestpractices.xml
index e6846900d8..07bcba9c5b 100644
--- a/pmd-javascript/src/main/resources/category/ecmascript/bestpractices.xml
+++ b/pmd-javascript/src/main/resources/category/ecmascript/bestpractices.xml
@@ -6,7 +6,7 @@
          xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
 
     <description>
-
+Rules which help to follow best practices.
     </description>
 
     <rule name="AvoidWithStatement"
diff --git a/pmd-javascript/src/main/resources/category/ecmascript/codestyle.xml b/pmd-javascript/src/main/resources/category/ecmascript/codestyle.xml
index 7a2b58acdd..94ef9e58eb 100644
--- a/pmd-javascript/src/main/resources/category/ecmascript/codestyle.xml
+++ b/pmd-javascript/src/main/resources/category/ecmascript/codestyle.xml
@@ -6,7 +6,7 @@
          xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
 
     <description>
-
+Rules which enforce a specific coding style.
     </description>
 
 
diff --git a/pmd-javascript/src/main/resources/category/ecmascript/design.xml b/pmd-javascript/src/main/resources/category/ecmascript/design.xml
index 6c20cac4a3..20d01b6afb 100644
--- a/pmd-javascript/src/main/resources/category/ecmascript/design.xml
+++ b/pmd-javascript/src/main/resources/category/ecmascript/design.xml
@@ -6,7 +6,7 @@
          xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
 
     <description>
-
+Rules that flag certain design flaws.
     </description>
 
 </ruleset>
diff --git a/pmd-javascript/src/main/resources/category/ecmascript/documentation.xml b/pmd-javascript/src/main/resources/category/ecmascript/documentation.xml
index 409a52e20a..e000ad643f 100644
--- a/pmd-javascript/src/main/resources/category/ecmascript/documentation.xml
+++ b/pmd-javascript/src/main/resources/category/ecmascript/documentation.xml
@@ -6,7 +6,7 @@
          xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
 
     <description>
-
+Rules that are related to code documentation.
     </description>
 
 </ruleset>
diff --git a/pmd-javascript/src/main/resources/category/ecmascript/errorprone.xml b/pmd-javascript/src/main/resources/category/ecmascript/errorprone.xml
index d814f6911b..62d95eb917 100644
--- a/pmd-javascript/src/main/resources/category/ecmascript/errorprone.xml
+++ b/pmd-javascript/src/main/resources/category/ecmascript/errorprone.xml
@@ -6,7 +6,7 @@
          xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
 
     <description>
-
+Rules which flag certain language construct which can lead to abnormal behavior at runtime.
     </description>
 
     <rule name="AvoidTrailingComma"
diff --git a/pmd-javascript/src/main/resources/category/ecmascript/multithreading.xml b/pmd-javascript/src/main/resources/category/ecmascript/multithreading.xml
index 63ede43cee..4d3644a22d 100644
--- a/pmd-javascript/src/main/resources/category/ecmascript/multithreading.xml
+++ b/pmd-javascript/src/main/resources/category/ecmascript/multithreading.xml
@@ -6,7 +6,7 @@
          xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
 
     <description>
-
+Rules that flag issues when dealing with multiple threads of execution.
     </description>
 
 </ruleset>
diff --git a/pmd-javascript/src/main/resources/category/ecmascript/performance.xml b/pmd-javascript/src/main/resources/category/ecmascript/performance.xml
index eff89e5f71..f1f34f4790 100644
--- a/pmd-javascript/src/main/resources/category/ecmascript/performance.xml
+++ b/pmd-javascript/src/main/resources/category/ecmascript/performance.xml
@@ -6,7 +6,7 @@
          xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
 
     <description>
-
+Rules that flag suboptimal code.
     </description>
 
 </ruleset>
diff --git a/pmd-javascript/src/main/resources/category/ecmascript/security.xml b/pmd-javascript/src/main/resources/category/ecmascript/security.xml
index 940bcd228e..25e146f7de 100644
--- a/pmd-javascript/src/main/resources/category/ecmascript/security.xml
+++ b/pmd-javascript/src/main/resources/category/ecmascript/security.xml
@@ -6,7 +6,7 @@
          xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
 
     <description>
-
+Rules that flag potential security flaws.
     </description>
 
 </ruleset>