diff --git a/config.mk.in b/config.mk.in
index 9daa1e4a..d795278e 100644
--- a/config.mk.in
+++ b/config.mk.in
@@ -11,6 +11,7 @@ BACKEND_MONGO ?= no
 BACKEND_FILES ?= no
 
 # Specify the path to the Mosquitto sources here
+# MOSQUITTO_SRC = /usr/local/Cellar/mosquitto/1.4.12
 MOSQUITTO_SRC =
 
 # Specify the path the OpenSSL here
@@ -20,5 +21,8 @@ OPENSSLDIR = /usr
 # On macOS, add 
 #	CFG_LDFLAGS = -undefined dynamic_lookup
 # as described in https://github.com/eclipse/mosquitto/issues/244
+#
+# CFG_LDFLAGS = -undefined dynamic_lookup  -L/usr/local/Cellar/openssl/1.0.2l/lib
+# CFG_CFLAGS = -I/usr/local/Cellar/openssl/1.0.2l/include -I/usr/local/Cellar/mosquitto/1.4.12/include
 CFG_LDFLAGS =
 CFG_CFLAGS =