Correct spelling of two more words

Thanks Undeference for pointing out abreviations.

code/botlib/be_aas_reach.c

@@ -439,7 +439,7 @@ int AAS_BestReachableArea(vec3_t origin, vec3_t mins, vec3_t maxs, vec3_t goalor
 	//VectorSubtract(absmaxs, bbmins, absmaxs);
 	//link an invalid (-1) entity
 	areas = AAS_LinkEntityClientBBox(absmins, absmaxs, -1, PRESENCE_CROUCH);
-	//get the reachable link arae
+	//get the reachable link area
 	areanum = AAS_BestReachableLinkArea(areas);
 	//unlink the invalid entity
 	AAS_UnlinkFromAreas(areas);

code/botlib/be_ai_chat.c

@@ -557,7 +557,7 @@ void StringReplaceWords(char *string, char *synonym, char *replacement)
 	while(str)
 	{
 		//if the synonym isn't part of the replacement which is already in the string
-		//useful for abreviations
+		//useful for abbreviations
 		str2 = StringContainsWord(string, replacement, qfalse);
 		while(str2)
 		{