diff --git a/doc/build-freebsd.md b/doc/build-freebsd.md
index de373d1ecb1..40740d7fb7b 100644
--- a/doc/build-freebsd.md
+++ b/doc/build-freebsd.md
@@ -64,7 +64,7 @@ Otherwise, if you don't need QR encoding support, use the `-DWITH_QRENCODE=OFF`
 #### Notifications
 ###### ZeroMQ
 
-Bitcoin Core can provide notifications via ZeroMQ. If the package is installed, support will be compiled in.
+Bitcoin Core can provide notifications via ZeroMQ. To compile ZMQ support, install the following dependency and pass `-DWITH_ZMQ=ON` when configuring.
 ```bash
 pkg install libzmq4
 ```
diff --git a/doc/build-netbsd.md b/doc/build-netbsd.md
index f19eb4c5fec..caa1c7b1e24 100644
--- a/doc/build-netbsd.md
+++ b/doc/build-netbsd.md
@@ -82,7 +82,7 @@ Otherwise, if you don't need QR encoding support, use the `-DWITH_QRENCODE=OFF`
 #### Notifications
 ###### ZeroMQ
 
-Bitcoin Core can provide notifications via ZeroMQ. If the package is installed, support will be compiled in.
+Bitcoin Core can provide notifications via ZeroMQ. To compile ZMQ support, install the following dependency and pass `-DWITH_ZMQ=ON` when configuring.
 ```bash
 pkgin install zeromq
 ```
diff --git a/doc/build-openbsd.md b/doc/build-openbsd.md
index 4ea58795a05..5edc56f0bfc 100644
--- a/doc/build-openbsd.md
+++ b/doc/build-openbsd.md
@@ -64,7 +64,7 @@ Otherwise, if you don't need QR encoding support, use the `-DWITH_QRENCODE=OFF`
 #### Notifications
 ###### ZeroMQ
 
-Bitcoin Core can provide notifications via ZeroMQ. If the package is installed, support will be compiled in.
+Bitcoin Core can provide notifications via ZeroMQ. To compile ZMQ support, install the following dependency and pass `-DWITH_ZMQ=ON` when configuring.
 ```bash
 pkg_add zeromq
 ```