diff --git a/man/man3/pthread_cond_init.3 b/man/man3/pthread_cond_init.3
index 42e7eac..fa4c6f6 100644
--- a/man/man3/pthread_cond_init.3
+++ b/man/man3/pthread_cond_init.3
@@ -141,15 +141,25 @@ and a non-zero error code on error.
 .
 .SH ERRORS
 \fBpthread_cond_init\fP,
-\fBpthread_cond_signal\fP,
-\fBpthread_cond_broadcast\fP,
-and \fBpthread_cond_wait\fP
+\fBpthread_cond_signal\fP
+and \fBpthread_cond_broadcast\fP,
 never return an error code.
 .P
+The \fBpthread_cond_wait\fP function returns
+the following error codes on error:
+.RS
+.TP
+\fBEPERM\fP
+\fBmutex\fP is not locked.
+.RE
+.P
 The \fBpthread_cond_timedwait\fP function returns
 the following error codes on error:
 .RS
 .TP
+\fBEPERM\fP
+\fBmutex\fP is not locked.
+.TP
 \fBETIMEDOUT\fP
 The condition variable was not signaled
 until the timeout specified by \fIabstime\fP.