Update documentation for laco_split_by

Author: sourrust

src/util.h

@@ -39,8 +39,8 @@ void laco_report_error(struct LacoState* laco, int status);
 int laco_is_match(const char** matches, const char* test_string);
 
 /**
- * Takes a line, seperated by spaces, and changes it into an array of the
- * words that make up the line. The last value of this array will be NULL.
+ * Break the provided string into an array of strings that are between the
+ * split_with value. The last value of this array will be NULL.
  */
 char** laco_split_by(const char* split_with, char* string);