Fixed some typos.

ir/be/besched.h

@@ -52,8 +52,8 @@ static inline bool sched_is_scheduled(const ir_node *irn)
 }
 
 /**
- * returns the time step of a node. Each node in a block has a timestep
- * unique to that block. a node schedule before another node has a lower
+ * Returns the time step of a node. Each node in a block has a timestep
+ * unique to that block. A node schedule before another node has a lower
  * timestep than this node.
  * @param irn The node.
  * @return The time step in the schedule.

ir/be/ia32/ia32_new_nodes.c

@@ -23,7 +23,7 @@
  * @author      Christian Wuerdig
  * @version     $Id$
  *
- * This file implements the creation of the achitecture specific firm opcodes
+ * This file implements the creation of the architecture specific firm opcodes
  * and the corresponding node constructors for the ia32 assembler irg.
  */
 #include "config.h"