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-rw-r--r--stapfuncs.5.in5
1 files changed, 3 insertions, 2 deletions
diff --git a/stapfuncs.5.in b/stapfuncs.5.in
index 59a0fab1..a9746a1d 100644
--- a/stapfuncs.5.in
+++ b/stapfuncs.5.in
@@ -158,11 +158,12 @@ including alias and wildcard expansion effects.
target:long ()
Returns the pid of the target process.
-.SS ERROR
+.SS ERRNO
.TP
errno_str:string (e:long)
-Return the symbolic string associated with the given error code.
+Return the symbolic string associated with the given error code, like
+"ENOENT" for the number 2, or "E#3333" for an out-of-range value like 3333.
.SH FILES
.nh