9842 man page typos and spelling

*** 32,43 ****
         Example 1 Use getisax() to determine if the SSE2 instruction set is
         present.
  
  
         In the following example, if the message is written, the SSE2
!        instruction set is present and fully supportred by the operating
!        system.
  
  
           uint_t ui;
  
           (void) getisax(&ui, 1);
--- 32,42 ----
         Example 1 Use getisax() to determine if the SSE2 instruction set is
         present.
  
  
         In the following example, if the message is written, the SSE2
!        instruction set is present and fully supported by the operating system.
  
  
           uint_t ui;
  
           (void) getisax(&ui, 1);