Utility: Fix minor mistakes in documentation
@@ -34,7 +34,7 @@ char * elektraLskip (char const * const text)
* @brief This function removes trailing whitespace from the given string.
*
* The address stored in the parameter `end` of this function must either
- * point to the last character of the string (the one before `'0'`) or `NULL`.
+ * point to the last character of the string (the one before `'\0'`) or `NULL`.
*
* - If `end` is `NULL`, then the function determines the last character by
* calculating the length of the string.
@@ -42,7 +42,7 @@ char * elektraLskip (char const * const text)
* - If `end` is specified manually, then the function will cut of the given
* string right before the last consecutive whitespace character before
* the character stored in `*end`. After the call to this function
- * the variabel `*end` stores the address of the last character of the
+ * the variable `*end` stores the address of the last character of the
* stripped string.
*
* @pre The parameter `start` must not be `NULL`.
