diff --git a/src/psevents.c b/src/psevents.c
index 3293247e567..e1022ef4e43 100644
--- a/src/psevents.c
+++ b/src/psevents.c
@@ -196,7 +196,7 @@ static int usage (struct GMTAPI_CTRL *API, int level) {
"[-E[s|t][+o|O
][+r[l|c|q]][+p][+d[l|c|q]][+f][+l]] [-F[+a][+f][+r[]|+z[]][+j]] "
"[-G] [-H] [-L[t|]] [-Mi|s|t|v[+c]] [-N[c|r]] [-Q] [-S[]] [%s] [%s] [-W[]] [%s] [%s] [-Z\"\"] "
"[%s] [%s] %s[%s] [%s] [%s] [%s] [%s] [%s] [%s] [%s] [%s] [%s]\n", name, GMT_J_OPT, GMT_Rgeoz_OPT, GMT_B_OPT, GMT_U_OPT, GMT_V_OPT, GMT_X_OPT, GMT_Y_OPT, GMT_a_OPT, GMT_b_OPT,
- API->c_OPT, GMT_d_OPT, GMT_e_OPT, GMT_f_OPT, GMT_h_OPT, GMT_i_OPT, GMT_l_OPT, GMT_qi_OPT, GMT_w_OPT, GMT_colon_OPT, GMT_PAR_OPT);
+ API->c_OPT, GMT_d_OPT, GMT_e_OPT, GMT_f_OPT, GMT_h_OPT, GMT_i_OPT, GMT_l_OPT, GMT_qi_OPT, GMT_t_OPT, GMT_w_OPT, GMT_colon_OPT, GMT_PAR_OPT);
if (level == GMT_SYNOPSIS) return (GMT_MODULE_SYNOPSIS);
@@ -283,7 +283,7 @@ static int usage (struct GMTAPI_CTRL *API, int level) {
GMT_Usage (API, -2, "Append core external and required options that must include -S. "
"The quoted must start with [ps]coupe, [ps]meca, or [ps]velo. "
"(Note: The cannot contain options -C, -G, -I, -J, -N, -R, -W, -t).");
- GMT_Option (API, "a,bi2,c,di,e,f,h,i,l,p,qi,w,:,.");
+ GMT_Option (API, "a,bi2,c,di,e,f,h,i,l,p,qi,t,w,:,.");
return (GMT_MODULE_USAGE);
}