diff --git a/ApgLib/Apg.h b/ApgLib/Apg.h
index 12c9ad9..7f855a8 100644
--- a/ApgLib/Apg.h
+++ b/ApgLib/Apg.h
@@ -134,7 +134,7 @@ seriously impacts the parser's performance and forces the inclusion of the IO li
 When this macro is not defined, the tracing code is not compiled or included in the library, resulting in not
 only better preformance but a significanly smaller footprint.
 
-For simialar reasons, _APG_CFG_STATS must be defined to enable the collection of parsing statistics.
+For similar reasons, _APG_CFG_STATS must be defined to enable the collection of parsing statistics.
 Statistics collection can be vitally important when optimizing a parser, especially through the use of UDTs,
 but usually serves no purpose in a release or production version.
 */
@@ -610,7 +610,7 @@ typedef struct{
 	APG_STAT		sTotal; /**<  node stats for the total of all of the above nodes*/
 } APG_PARSER_STATS;
 
-// parser constructor/desctructor
+// parser constructor/destructor
 void*		vpParserCtor(void* vpParserInit, PFN_ALERT pfnAlertHandler);
 void		vParserDtor(void* vpCtx);