diff --git a/corsika/framework/random/ExponentialDistribution.hpp b/corsika/framework/random/ExponentialDistribution.hpp
index ce075ece3d9948f7e5e3729a3a86f4dc98bdf898..68a1531c7515e334fe0bf2768a7c1e806d36e4e5 100644
--- a/corsika/framework/random/ExponentialDistribution.hpp
+++ b/corsika/framework/random/ExponentialDistribution.hpp
@@ -14,8 +14,8 @@
 namespace corsika {
 
   /**
-   * Describes a random distribution with \f[ \beta e^{-X} \f] for a physical quantity of
-   * type Quantity.
+   * Describes a random distribution with \f[ \beta e^{-\beta X} \f] for a physical
+   * quantity of type Quantity.
    *
    * @tparam Quantity is the type of the physical quantity.
    */
@@ -46,7 +46,7 @@ namespace corsika {
 
     /**
      * @fn value_type getBeta() const
-     * @brief Get parameter of exponential distribution \f[ \beta e^{-X}\f].
+     * @brief Get parameter of exponential distribution \f[ \beta e^{-\beta X}\f].
      *
      * @return  value_type
      */
@@ -54,7 +54,7 @@ namespace corsika {
 
     /**
      * @fn void setBeta(value_type)
-     * @brief Set parameter of exponential distribution \f[ \beta e^{-X}\f].
+     * @brief Set parameter of exponential distribution \f[ \beta e^{-\beta X}\f].
      *
      * @param vBeta
      */
@@ -62,7 +62,7 @@ namespace corsika {
 
     /**
      * @fn value_type operator ()(Generator&)
-     * @brief Generate a random number distributed like \f[ \beta e^{-X}\f].
+     * @brief Generate a random number distributed like \f[ \beta e^{-\beta X}\f].
      *
      * @tparam Generator
      * @param g