Install humanize_number(3) man page
diff --git a/Makefile b/Makefile
index 7ec21f1..8f9f0ae 100644
--- a/Makefile
+++ b/Makefile
@@ -65,6 +65,7 @@ LIB_MANS := \
strlcpy.3 \
strlcat.3 \
fgetln.3 \
+ humanize_number.3 \
fmtcheck.3 \
nlist.3 \
setmode.3 \