diff --git a/src/main/java/net/knarcraft/knarlib/formatting/FormatBuilder.java b/src/main/java/net/knarcraft/knarlib/formatting/FormatBuilder.java
index 80062b0..8230ba5 100644
--- a/src/main/java/net/knarcraft/knarlib/formatting/FormatBuilder.java
+++ b/src/main/java/net/knarcraft/knarlib/formatting/FormatBuilder.java
@@ -49,6 +49,7 @@ public final class FormatBuilder {
      * @param replacements <p>The replacements</p>
      * @return <p>This format builder</p>
      */
+    @NotNull
     public FormatBuilder replace(@NotNull List<String> placeholders, @NotNull List<String> replacements) {
         this.toFormat = StringFormatter.replacePlaceholders(this.toFormat, placeholders, replacements);
         return this;
@@ -61,6 +62,7 @@ public final class FormatBuilder {
      * @param replacement <p>The replacement</p>
      * @return <p>This format builder</p>
      */
+    @NotNull
     public FormatBuilder replace(@NotNull String placeholder, @NotNull String replacement) {
         this.toFormat = StringFormatter.replacePlaceholder(this.toFormat, placeholder, replacement);
         return this;
@@ -73,8 +75,9 @@ public final class FormatBuilder {
      * @param replacement <p>The replacement translatable message</p>
      * @return <p>This format builder</p>
      */
+    @NotNull
     public FormatBuilder replace(@NotNull String placeholder, @NotNull TranslatableMessage replacement) {
-        this.toFormat = StringFormatter.replacePlaceholder(this.toFormat, placeholder, 
+        this.toFormat = StringFormatter.replacePlaceholder(this.toFormat, placeholder,
                 stringFormatter.getUnFormattedMessage(replacement));
         return this;
     }
@@ -86,6 +89,7 @@ public final class FormatBuilder {
      * @param replacements <p>The replacements</p>
      * @return <p>This format builder</p>
      */
+    @NotNull
     public FormatBuilder replace(@NotNull String[] placeholders, @NotNull String[] replacements) {
         this.toFormat = StringFormatter.replacePlaceholders(this.toFormat, placeholders, replacements);
         return this;
@@ -97,6 +101,7 @@ public final class FormatBuilder {
      * @param stringReplacer <p>The string replacer used for replacement</p>
      * @return <p>This format builder</p>
      */
+    @NotNull
     public FormatBuilder replace(@NotNull StringReplacer stringReplacer) {
         this.toFormat = stringReplacer.replace(this.toFormat);
         return this;
@@ -110,11 +115,36 @@ public final class FormatBuilder {
      *
      * @return <p>This format builder</p>
      */
+    @NotNull
     public FormatBuilder color() {
         this.toFormat = stringFormatter.getUnFormattedColoredMessage(this.toFormat);
         return this;
     }
 
+    /**
+     * Appends the given string to this format builder
+     *
+     * @param input <p>The input to append</p>
+     * @return <p>This format builder</p>
+     */
+    @NotNull
+    public FormatBuilder append(@NotNull String input) {
+        this.toFormat += input;
+        return this;
+    }
+
+    /**
+     * Appends the given translatable message to this format builder
+     *
+     * @param translatableMessage <p>The translatable message to append</p>
+     * @return <p>This format builder</p>
+     */
+    @NotNull
+    public FormatBuilder append(@NotNull TranslatableMessage translatableMessage) {
+        this.toFormat += stringFormatter.getUnFormattedMessage(translatableMessage);
+        return this;
+    }
+
     /**
      * Builds the output of the performed replacements and formatting
      *