1 files changed, 8 insertions, 4 deletions

diff --git a/include/usage.h b/include/usage.h
index 4e055168e..53ae0a8cc 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -3229,7 +3229,7 @@
        "$ patch -p0 -i example.diff"
 
 #define pgrep_trivial_usage \
-       "[-flnovx] PATTERN"
+       "[-flnovx] [-s SID|-P PPID|PATTERN]"
 #define pgrep_full_usage "\n\n" \
        "Display process(es) selected by regex PATTERN\n" \
      "\nOptions:" \
@@ -3237,8 +3237,10 @@
      "\n        -f      Match against entire command line" \
      "\n        -n      Show the newest process only" \
      "\n        -o      Show the oldest process only" \
-     "\n        -v      Negate the matching" \
+     "\n        -v      Negate the match" \
      "\n        -x      Match whole name (not substring)" \
+     "\n        -s      Match session ID (0 for current)" \
+     "\n        -P      Match parent process ID" \
 
 #if (ENABLE_FEATURE_PIDOF_SINGLE || ENABLE_FEATURE_PIDOF_OMIT)
 #define pidof_trivial_usage \
@@ -3331,7 +3333,7 @@
        "the new root file system"
 
 #define pkill_trivial_usage \
-       "[-l] | [-fnovx] [-signal] PATTERN"
+       "[-l|-SIGNAL] [-fnovx] [-s SID|-P PPID|PATTERN]"
 #define pkill_full_usage "\n\n" \
        "Send a signal to process(es) selected by regex PATTERN\n" \
      "\nOptions:" \
@@ -3339,8 +3341,10 @@
      "\n        -f      Match against entire command line" \
      "\n        -n      Signal the newest process only" \
      "\n        -o      Signal the oldest process only" \
-     "\n        -v      Negate the matching" \
+     "\n        -v      Negate the match" \
      "\n        -x      Match whole name (not substring)" \
+     "\n        -s      Match session ID (0 for current)" \
+     "\n        -P      Match parent process ID" \
 
 #define popmaildir_trivial_usage \
        "[OPTIONS] Maildir [connection-helper ...]"