Fix a couple of typos in the man page.
diff --git a/strace.1 b/strace.1
index 56e02da..18fd56e 100644
--- a/strace.1
+++ b/strace.1
@@ -108,7 +108,7 @@
 option.
 .LP
 .B strace
-is a useful diagnositic, instructional, and debugging tool.
+is a useful diagnostic, instructional, and debugging tool.
 System adminstrators, diagnosticians and trouble-shooters will find
 it invaluable for solving problems with
 programs for which the source is not readily available since
@@ -506,7 +506,7 @@
 .LP
 A traced process ignores
 .SM SIGSTOP
-except of SVR4 platforms.
+except on SVR4 platforms.
 .LP
 A traced process which tries to block SIGTRAP will be sent a SIGSTOP
 in an attempt to force continuation of tracing.