Fix a coupe of typos (open-source-parsers#1007)

Author: aliha

include/json/reader.h

@@ -122,7 +122,7 @@ class [[deprecated("deprecated Use CharReader and CharReaderBuilder.")]] JSON_AP
    */
   String getFormattedErrorMessages() const;
 
-  /** \brief Returns a vector of structured erros encounted while parsing.
+  /** \brief Returns a vector of structured errors encountered while parsing.
    *
    * \return A (possibly empty) vector of StructuredError objects. Currently
    * only one error can be returned, but the caller should tolerate multiple

include/json/value.h

@@ -684,7 +684,7 @@ class JSON_API PathArgument {
  * - ".name1.name2.name3"
  * - ".[0][1][2].name1[3]"
  * - ".%" => member name is provided as parameter
- * - ".[%]" => index is provied as parameter
+ * - ".[%]" => index is provided as parameter
  */
 class JSON_API Path {
 public: