[PATCH 1/2] examples: update the comments in script fcalls.d

[eugene.loh@oracle.com]

From: Ruud van der Pas <ruud.vanderpas@oracle.com>

dtrace/ChangeLog
2025-08-14  Ruud van der Pas  <ruud.vanderpas@oracle.com>

	* examples/fcalls.d: Modified several comments.

Signed-off-by: Ruud van der Pas <ruud.vanderpas@oracle.com>
---
 examples/fcalls.d | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/examples/fcalls.d b/examples/fcalls.d
index 9e42f0041..c332dce40 100755
--- a/examples/fcalls.d
+++ b/examples/fcalls.d
@@ -8,7 +8,7 @@
  *    sudo ./fcalls.d -c "<name-of-application> [app options]"
  *
  *  DESCRIPTION
- *    This program lists the functions executed by the target
+ *    This script lists the functions executed by the target
  *    application.  In addition to this, the number of calls to
  *    each function is printed.  This information is given on a
  *    per-thread basis, as well as aggregated over all threads.
@@ -19,12 +19,14 @@
  *    duplicate the probe definitions and in the copied lines
  *    replace a.out by libc.so.
  *    For example:
- *    pid$target:a.out::entry,pid$target:libc.so::entry
- *      { ... }
+ *      pid$target:a.out::entry,
+ *      pid$target:libc.so::entry
+ *        { <clauses> }
+ *
  *    - It is assumed that a function called main is executed.
  *    If this is not the case, this is not a critical error.
  *    The first probe is used to capture the name of the executable,
- *    but this is not critical.  The probe and printf statement
+ *    but this is not essential.  The probe and printf statement
  *    can safely be removed, or replaced by a suitable alternative.
  */
 
@@ -45,9 +47,10 @@ pid$target:a.out:main:entry
 {
   executable_name = execname;
 }
+
 /*
  *  Use 4 aggregations to store the total number of function
- *  calls, the counts per function and per thread, both 
+ *  calls, the counts per function and per thread, both
  *  seperately and differentiated by thread and function.
  */
 pid$target:a.out::entry
@@ -57,6 +60,7 @@ pid$target:a.out::entry
   @call_counts_per_thr[tid]                   = count();
   @counts_per_thr_and_function[tid,probefunc] = count();
 }
+
 /*
  *  Print the results.  Use format strings to create a
  *  table lay-out.
-- 
2.47.3