-_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_SET_SESSION], [Set current tracing session])
-_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_SNAPSHOT], [Snapshot buffers of current tracing session])
-_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_START], [Start tracing])
-_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_STATUS], [Get the status of the current tracing session])
-_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_STOP], [Stop tracing])
-_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_DISABLE_ROTATION], [Unset a rotation schedule])
-_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_ENABLE_ROTATION], [Set a rotation schedule])
-_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_TRACK], [Track specific system resources])
-_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_UNTRACK], [Untrack specific system resources])
-_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_VERSION], [Show version information])
-_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_VIEW], [Start trace viewer])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_SET_SESSION], [Set the current tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_SNAPSHOT], [Take a tracing session snapshot])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_START], [Start a tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_STATUS], [Show the status of the current tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_STOP], [Stop a tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_TRACK], [Track process attrbutes])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_UNTRACK], [Untrack process attributes])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_VERSION], [Show LTTng-tools version information])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_VIEW], [Launch a trace reader])