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-rw-r--r--doc/bird.sgml2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index f2063325..d2b6459b 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -1704,7 +1704,7 @@ in the foot).
Prefix <cf><m>ip1</m>/<m>len1</m></cf> matches prefix
pattern <cf><m>ip2</m>/<m>len2</m>{<m>l</m>,<m>h</m>}</cf> if the
first <cf>min(len1, len2)</cf> bits of <cf/ip1/ and <cf/ip2/ are
- identical and <cf>len1 &lt;= ip1 &lt;= len2</cf>. A valid prefix pattern
+ identical and <cf>l &lt;= len1 &lt;= h</cf>. A valid prefix pattern
has to satisfy <cf>low &lt;= high</cf>, but <cf/pxlen/ is not
constrained by <cf/low/ or <cf/high/. Obviously, a prefix matches a
prefix set literal if it matches any prefix pattern in the prefix set