diff --git a/README.md b/README.md
index b42ea74..9d29669 100644
--- a/README.md
+++ b/README.md
@@ -35,11 +35,11 @@ This project provides a collection of template renderers.
 
 ## Format Renderers
 
-| Renderer                                                                                                | Description                                                      |
-|:--------------------------------------------------------------------------------------------------------|:-----------------------------------------------------------------|
-| `rife.render.formatCreditcard`                                                                          | Formats a template credit card number value to the last 4 digits |
-| [rife.render.ShortenUrl](https://github.com/rife2/rife2-template-renderers/wiki/rife.render.ShortenUrl) | Shortens a template value using [is./gd](https://is.gd/)         |
-| [rife.render.Uptime](https://github.com/rife2/rife2-template-renderers/wiki/rife.render.Uptime)         | Renders the server uptime in various customizable formats        |
+| Renderer                                                                                                            | Description                                                      |
+|:--------------------------------------------------------------------------------------------------------------------|:-----------------------------------------------------------------|
+| [rife.render.formatCreditcard](https://github.com/rife2/rife2-template-renderers/wiki/rife.render.FormatCreditCard) | Formats a template credit card number value to the last 4 digits |
+| [rife.render.ShortenUrl](https://github.com/rife2/rife2-template-renderers/wiki/rife.render.ShortenUrl)             | Shortens a template value using [is./gd](https://is.gd/)         |
+| [rife.render.Uptime](https://github.com/rife2/rife2-template-renderers/wiki/rife.render.Uptime)                     | Renders the server uptime in various customizable formats        |
 
 
 ## Text Renderers
diff --git a/lib/src/main/java/rife/render/FormatCreditCard.java b/lib/src/main/java/rife/render/FormatCreditCard.java
index a3b2173..840d66e 100644
--- a/lib/src/main/java/rife/render/FormatCreditCard.java
+++ b/lib/src/main/java/rife/render/FormatCreditCard.java
@@ -31,6 +31,7 @@ import rife.template.ValueRenderer;
  * </pre>
  *
  * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @see <a href="https://github.com/rife2/rife2-template-renderers/wiki/rife.render.FormatCreditCard">rife.render.FormatCreditCard</a>
  * @since 1.0
  */
 public class FormatCreditCard implements ValueRenderer {
diff --git a/lib/src/main/java/rife/render/RenderUtils.java b/lib/src/main/java/rife/render/RenderUtils.java
index 33a3e0f..1b24a52 100644
--- a/lib/src/main/java/rife/render/RenderUtils.java
+++ b/lib/src/main/java/rife/render/RenderUtils.java
@@ -81,7 +81,7 @@ public final class RenderUtils {
     /**
      * Returns the last 4 digits a credit card number. The number must satisfy the Luhn algorithm.
      * Non-digits are stripped from the number.
-     *
+     *Th
      * @param src the credit card number
      * @return the last 4 digits of the credit card number or empty
      */