diff --git a/src/CreditCard.php b/src/CreditCard.php
index 7cae192ce..406a3b445 100644
--- a/src/CreditCard.php
+++ b/src/CreditCard.php
@@ -57,7 +57,7 @@ class CreditCard extends AbstractValidator
         self::LENGTH         => "The input contains an invalid amount of digits",
         self::PREFIX         => "The input is not from an allowed institute",
         self::SERVICE        => "The input seems to be an invalid creditcard number",
-        self::SERVICEFAILURE => "An exception has been raised while validating the input.",
+        self::SERVICEFAILURE => "An exception has been raised while validating the input",
     );
 
     /**
diff --git a/src/DateStep.php b/src/DateStep.php
index 83cf5f1a8..33c365056 100644
--- a/src/DateStep.php
+++ b/src/DateStep.php
@@ -34,7 +34,7 @@ class DateStep extends AbstractValidator
     protected $messageTemplates = array(
         self::INVALID      => "Invalid type given. String, integer, array or DateTime expected",
         self::INVALID_DATE => "The input does not appear to be a valid date",
-        self::NOT_STEP     => "The input is not a valid step."
+        self::NOT_STEP     => "The input is not a valid step"
     );
 
     /**
diff --git a/src/Step.php b/src/Step.php
index 828d4e2b4..5679fd110 100644
--- a/src/Step.php
+++ b/src/Step.php
@@ -25,8 +25,8 @@ class Step extends AbstractValidator
      * @var array
      */
     protected $messageTemplates = array(
-        self::INVALID => "Invalid value given. Scalar expected.",
-        self::NOT_STEP => "The input is not a valid step."
+        self::INVALID => "Invalid value given. Scalar expected",
+        self::NOT_STEP => "The input is not a valid step"
     );
 
     /**