Remove redundant sentence

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/scripts/abi_check.py b/scripts/abi_check.py
index f11cdf2..0a80d98 100755
--- a/scripts/abi_check.py
+++ b/scripts/abi_check.py
@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
-"""
-This script compares the interfaces of two versions of Mbed TLS, looking
+"""This script compares the interfaces of two versions of Mbed TLS, looking
 for backward incompatibilities between two different Git revisions within
 an Mbed TLS repository. It must be run from the root of a Git working tree.
 
@@ -20,7 +19,6 @@
 Returns 0 on success, 1 on non-compliance, and 2 if there is an error
 while running the script.
 
-You must run this test from an Mbed TLS root.
 """
 
 # Copyright The Mbed TLS Contributors