diff --git a/tools/build/options/LIBC_MALLOC b/tools/build/options/LIBC_MALLOC
index ee1883f3ee54..5a72f7730fc7 100644
--- a/tools/build/options/LIBC_MALLOC
+++ b/tools/build/options/LIBC_MALLOC
@@ -1,13 +1,13 @@
 Specify the
 .Xr malloc 3
-implementaiton used by libc.
+implementation used by libc.
 The default value is
 .Li jemalloc .
 Valid values are:
 .Bl -tag -width indent
 .It Li jemalloc
 .El
 .Pp
 Other implementations are expected in the future in both
 .Fx
 and downstream consumers.