doc: add missing closing parenthesis in CURLINFO_SSL_VERIFYRESULT.3
Closes #5320
diff --git a/docs/libcurl/opts/CURLINFO_SSL_VERIFYRESULT.3 b/docs/libcurl/opts/CURLINFO_SSL_VERIFYRESULT.3
index d0957ae..ee606bb 100644
--- a/docs/libcurl/opts/CURLINFO_SSL_VERIFYRESULT.3
+++ b/docs/libcurl/opts/CURLINFO_SSL_VERIFYRESULT.3
@@ -30,7 +30,7 @@
.SH DESCRIPTION
Pass a pointer to a long to receive the result of the server SSL certificate
verification that was requested (using the \fICURLOPT_SSL_VERIFYPEER(3)\fP
-option.
+option).
0 is a positive result. Non-zero is an error.
.SH PROTOCOLS