diff --git a/CommandLines.cpp b/CommandLines.cpp
index 6ae58c5..423baee 100644
--- a/CommandLines.cpp
+++ b/CommandLines.cpp
@@ -36,7 +36,7 @@ void Print_H(hifiasm_opt_t* asm_opt)
     fprintf(stderr, "    -a INT        round of assembly cleaning [%d]\n", asm_opt->clean_round);
     fprintf(stderr, "    -k INT        k-mer length (must be <64) [%d]\n", asm_opt->k_mer_length);
 	fprintf(stderr, "    -w INT        minimizer window size [%d]\n", asm_opt->mz_win);
-	fprintf(stderr, "    -f INT        number of bits for bloom filter [%d]\n", asm_opt->bf_shift);
+	fprintf(stderr, "    -f INT        number of bits for bloom filter; 0 to disable [%d]\n", asm_opt->bf_shift);
 	fprintf(stderr, "    -D FLOAT      drop k-mers occuring >FLOAT*coverage times [%.1f]\n", asm_opt->high_factor);
 	fprintf(stderr, "    -N INT        consider up to max(-D*coverage,-N) overlaps for each oriented read [%d]\n", asm_opt->max_n_chain);
     fprintf(stderr, "    -i            ignore saved overlaps in *.ovlp* files\n");
diff --git a/CommandLines.h b/CommandLines.h
index bc2747c..b61d863 100644
--- a/CommandLines.h
+++ b/CommandLines.h
@@ -3,7 +3,7 @@
 
 #include <pthread.h>
 
-#define HA_VERSION "0.3.0-dirty-r234"
+#define HA_VERSION "0.3.0-dirty-r235"
 
 #define VERBOSE 0
 
diff --git a/hifiasm.1 b/hifiasm.1
index ce2ba07..0a5385e 100644
--- a/hifiasm.1
+++ b/hifiasm.1
@@ -91,11 +91,23 @@ Show version number.
 
 .SS Error correction options
 
-.TP
-.BI -k \ INT
-K-mer length [40]. This option must be less than 64.
-
 .TP 10
+.BI -k \ INT
+K-mer length [51]. This option must be less than 64.
+
+.TP
+.BI -w \ INT
+Minimizer window size [51].
+
+.TP
+.BI -f \ INT
+Number of bits for bloom filter; 0 to disable [37]. This bloom filter is used
+to filter out singleton k-mers when counting all k-mers. It takes
+.RI 2^( INT -3)
+bytes of memory. A proper setting saves memory. 37 is recommended for human
+assembly.
+
+.TP
 .BI -r \ INT
 Rounds of haplotype-aware error corrections [2]. This option affects all outputs of hifiasm.