diff --git a/INSTALL.md b/INSTALL.md
index da3a667e..86280079 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -327,6 +327,7 @@ We will use the `pgo` binary along with input corpus generated by
 `scripts/generate-alt-random-writes.py`:
 
 ```sh
+./utils/xtgettcap name
 ./footclient --version
 ./foot --version
 tmp_file=$(mktemp)
@@ -349,9 +350,10 @@ rm ${tmp_file}
 ```
 
 The first step, running `./foot --version` and `./footclient
---version` might seem unnecessary, but is needed to ensure we have
-_some_ profiling data for functions not covered by the PGO helper
-binary. Without this, the final link phase will fail.
+--version` etc, might seem unnecessary, but is needed to ensure we
+have _some_ profiling data for functions not covered by the PGO helper
+binary, for **all** binaries. Without this, the final link phase will
+fail.
 
 The snippet above then creates an (empty) temporary file. Then, it
 runs a script that generates random escape sequences (if you cat