diff --git a/06-hash/hash.tex b/06-hash/hash.tex
index 4b2ad1f1ecb26ab48cb4bd58af8544ff0a62a1c0..593478fbb6e2f7683ad17a8b0330001a56dd6a51 100644
--- a/06-hash/hash.tex
+++ b/06-hash/hash.tex
@@ -779,6 +779,7 @@ By the previous lemma, one of the first 4 blocks of~$R$ is critical.
 
 Hence, the probability that run length lies between $2^{\ell+2}$ and $2^{\ell+3}$
 is bounded by the probability that one of the 12 blocks
+(chosen independently of the actual length of the run)
 is critical. By union bound and our estimate on the probability that a~block is critical,
 we get: