diff --git a/UserManual.md b/UserManual.md
index 4f04c82..05a13c5 100644
--- a/UserManual.md
+++ b/UserManual.md
@@ -24,7 +24,7 @@ The rest of this document describes the many options that are available in *sbmo
 **File formats and options**
 The base model is either encoded in an [SBML](https:sbml.org) file (up to L3v2) or a [COPASI](https://copasi.org) file (extension `.cps`). The output of *sbmodelr* will be in the same format as the supplied file.
 
-Use option `--sbml` to force the output to be in SBML format. This option can take an argument specifying the level and version of SBML required (one of `l1v2`,`l2v3`,`l2v4`,`l2v5`,`l3v1`,`l3v2`)
+To force the output file to be in SBML format use option `--sbml`; this option can take an argument specifying the level and version of SBML required (one of `l1v2`,`l2v3`,`l2v4`,`l2v5`,`l3v1`,`l3v2`).
 
 To force the output file to be in COPASI format you will need to explicitly name the output file with option `-o filename` or `--output filename`, and ensure the filename ends with extension `.cps` extension: for example `sbmodelr -o filename.cps inputfile 2`.