(svn r20266) -Doc: Mostly typo fixes, a few doxygen-related improvements.

src/saveload/oldloader_sl.cpp

@@ -998,7 +998,7 @@ static bool LoadOldCompany(LoadgameState *ls, int num)
 			}
 		} else {
 			/* Beside some multiplayer maps (1 on 1), which we don't official support,
-			 * all other companys are an AI.. mark them as such */
+			 * all other companies are an AI.. mark them as such */
 			c->is_ai = true;
 		}
 

src/saveload/saveload.cpp

@@ -2360,7 +2360,7 @@ SaveOrLoadResult SaveOrLoad(const char *filename, int mode, Subdirectory sb, boo
 				GamelogStartAction(GLAT_LOAD);
 
 				/* After loading fix up savegame for any internal changes that
-				 * might've occured since then. If it fails, load back the old game */
+				 * might have occurred since then. If it fails, load back the old game. */
 				if (!AfterLoadGame()) {
 					GamelogStopAction();
 					return SL_REINIT;