diff --git a/ngx_http_header_inspect.c b/ngx_http_header_inspect.c
index bc86076..3078aae 100644
--- a/ngx_http_header_inspect.c
+++ b/ngx_http_header_inspect.c
@@ -2448,7 +2448,7 @@
 	ngx_uint_t i = 0;
 
 	while ( i < value.len ) {
-		/* as per 13.5.1 of RFC2616 only allow Keep-Alive, Proxy-Authenticate, Proxy-Authorization, TE, Trailers, Transfer-Encoding and Upgrade headers in Connection header */
+		/* as per 13.5.1 of RFC2616 only allow Keep-Alive, Proxy-Authenticate, Proxy-Authorization, TE, Trailer, Transfer-Encoding and Upgrade headers in Connection header */
 		if ( ((i+5) <= value.len) && (ngx_strncmp("close", &(value.data[i]), 5) == 0 ) ) {
 			i += 5;
 		} else if ( ((i+10) <= value.len) && (ngx_strncmp("keep-alive", &(value.data[i]), 10) == 0 ) ) {
@@ -2461,8 +2461,8 @@
 			i += 19;
 		} else if ( ((i+2) <= value.len) && (ngx_strncmp("TE", &(value.data[i]), 2) == 0 ) ) {
 			i += 2;
-		} else if ( ((i+8) <= value.len) && (ngx_strncmp("Trailers", &(value.data[i]), 8) == 0 ) ) {
-			i += 8;
+		} else if ( ((i+7) <= value.len) && (ngx_strncmp("Trailer", &(value.data[i]), 7) == 0 ) ) {
+			i += 7;
 		} else if ( ((i+17) <= value.len) && (ngx_strncmp("Transfer-Encoding", &(value.data[i]), 17) == 0 ) ) {
 			i += 17;
 		} else if ( ((i+7) <= value.len) && (ngx_strncmp("Upgrade", &(value.data[i]), 7) == 0 ) ) {