diff --git a/README.md b/README.md
index e3a2c03..d4e5f4f 100644
--- a/README.md
+++ b/README.md
@@ -194,5 +194,5 @@ For GUI app, check [IUP](https://github.com/gen2brain/iup-go) requirements, and
 
 ### Build tags
 
-* `extlib` - use external libmupdf and libunarr libraries
+* `extlib` - use external `libmupdf` and `libunarr` libraries
 * `pkgconfig` - enable pkg-config (used with `extlib`)
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