diff --git a/src/io/routekit/ConstToken.java b/src/io/routekit/ConstToken.java
index c93c5f4..e9fc0f0 100644
--- a/src/io/routekit/ConstToken.java
+++ b/src/io/routekit/ConstToken.java
@@ -28,7 +28,7 @@ public CharBuffer buffer() {
 
     @Override
     public String toString() {
-        return "ConstToken[" + token + "]";
+        return "ConstToken[%s]".formatted(token);
     }
 
     @Override
diff --git a/src/io/routekit/SeparableVariableToken.java b/src/io/routekit/SeparableVariableToken.java
index 81cae0d..6915bdc 100644
--- a/src/io/routekit/SeparableVariableToken.java
+++ b/src/io/routekit/SeparableVariableToken.java
@@ -21,6 +21,6 @@ public int match(CharBuffer buffer) {
 
     @Override
     public String toString() {
-        return "SeparableVariableToken[" + name() + "]";
+        return "SeparableVariableToken[%s]".formatted(name());
     }
 }
diff --git a/src/io/routekit/WildcardToken.java b/src/io/routekit/WildcardToken.java
index e7cd9a2..bd7dc4b 100644
--- a/src/io/routekit/WildcardToken.java
+++ b/src/io/routekit/WildcardToken.java
@@ -14,6 +14,6 @@ public int match(CharBuffer buffer) {
 
     @Override
     public String toString() {
-        return "WildcardToken[" + name() + "]";
+        return "WildcardToken[%s]".formatted(name());
     }
 }