diff --git a/gnu/packages/bioconductor.scm b/gnu/packages/bioconductor.scm
index b5fa77655c..0fc0d7b839 100644
--- a/gnu/packages/bioconductor.scm
+++ b/gnu/packages/bioconductor.scm
@@ -6497,7 +6497,7 @@ sapiens extracted from NCBI dbSNP Build 144.  The source data files used for
 this package were created by NCBI on May 29-30, 2015, and contain SNPs mapped
 to reference genome GRCh37.p13.  Note that the GRCh37.p13 genome is a
 patched version of GRCh37.  However the patch doesn't alter chromosomes 1-22,
-X, Y, MT. GRCh37 itself is the same as the hg19 genome from UCSC *except* for
+X, Y, MT.  GRCh37 itself is the same as the hg19 genome from UCSC *except* for
 the mitochondrion chromosome.  Therefore, the SNPs in this package can be
 injected in @code{BSgenome.Hsapiens.UCSC.hg19} and they will land at the
 correct position but this injection will exclude chrM (i.e. nothing will be