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diff --git a/docs/capng_have_capabilities.3 b/docs/capng_have_capabilities.3
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--- a/docs/capng_have_capabilities.3
+++ b/docs/capng_have_capabilities.3
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-.TH "CAPNG_HAVE_CAPABILITIES" "3" "June 2009" "Red Hat" "Libcap-ng API"
+.TH "CAPNG_HAVE_CAPABILITIES" "3" "Sept 2020" "Red Hat" "Libcap-ng API"
.SH NAME
-capng_have_capabilities \- general check for capabilities
+.nf
+capng_have_capabilities, capng_have_permitted_capabilities \- check for capabilities
.SH "SYNOPSIS"
.B #include <cap-ng.h>
.sp
capng_results_t capng_have_capabilities(capng_select_t set);
+capng_results_t capng_have_permitted_capabilities(void);
.SH "DESCRIPTION"
-capng_have_capabilities will check the selected internal capabilities sets to see what the status is. The capabilities sets must be previously setup with calls to capng_get_caps_process, capng_get_caps_fd, or in some other way setup. The options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, or CAPNG_SELECT_BOTH if clearing both is desired.
+capng_have_capabilities will check the selected internal capabilities sets to see what the status is. The capabilities sets must be previously setup with calls to capng_get_caps_process, capng_get_caps_fd, or in some other way setup. The options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, CAPNG_SELECT_BOTH if checking both are desired, CAPNG_SELECT_AMBIENT if only checking the ambient capabilities, or CAPNG_SELECT_ALL if testing all sets is desired. When capabilities are checked, it will only look at the effective capabilities.
+
+If, however, the source of capabilities comes from a file, then you may need to additionally check the permitted capabilities. It's for this reason that
+.B capng_have_permitted_capabilities
+was created. It takes no arguments because it simply checks the permitted set.
.SH "RETURN VALUE"
-This funtion will return one of the following four self explanatory values: CAPNG_FAIL, CAPNG_NONE, CAPNG_PARTIAL, CAPNG_FULL.
+This function will return one of the following four self explanatory values: CAPNG_FAIL, CAPNG_NONE, CAPNG_PARTIAL, CAPNG_FULL.
.SH "SEE ALSO"
.BR capng_get_caps_process (3),
.BR capng_get_caps_fd (3),
.BR capng_have_capability (3),
-.BR capabilities (7)
+.BR capabilities (7)
.SH AUTHOR
Steve Grubb