9842 man page typos and spelling

@@ -341,13 +341,13 @@
 
 
        Optimal Buffer Alignment:
 
            Local and remote DTO buffer alignment for optimal performance on
-           the Platform.  The DAT_OPTIMAL_ALIGMNEMT must be divisible by this
+           the Platform.  The DAT_OPTIMAL_ALIGNMENT must be divisible by this
            attribute value. The maximum allowed value is
-           DAT_OPTIMAL_ALIGMNEMT, or 256.
+           DAT_OPTIMAL_ALIGNMENT, or 256.
 
 
        EVD stream merging support:
 
            A 2D binary matrix where each row and column represent an event