diff --git a/docs/topics/installation.rst b/docs/topics/installation.rst
index 453101a32c..4695fa3421 100644
--- a/docs/topics/installation.rst
+++ b/docs/topics/installation.rst
@@ -12,7 +12,7 @@ Minimum hardware requirements
 
 - 2 Gigabytes of RAM (1 Gigabyte if OCR is turned off).
 - Multiple core CPU (64 bit, faster than 1 GHz recommended).
-- Unix-like operating system like Linux and OpenBSD. For other operating systems
+- Unix-like operating system like GNU/Linux. For other operating systems
   user container technologies like Docker or virtual machines.
 
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