diff --git a/doc/build-freebsd.md b/doc/build-freebsd.md
index 549d189e7d1..63318840119 100644
--- a/doc/build-freebsd.md
+++ b/doc/build-freebsd.md
@@ -86,7 +86,7 @@ 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 05b80eb7476..5b01d7b912c 100644
--- a/doc/build-netbsd.md
+++ b/doc/build-netbsd.md
@@ -86,7 +86,7 @@ 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 zeromq
 ```
diff --git a/doc/build-openbsd.md b/doc/build-openbsd.md
index 7ab51054ad2..e2a15f67c86 100644
--- a/doc/build-openbsd.md
+++ b/doc/build-openbsd.md
@@ -80,7 +80,7 @@ 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
 ```