diff --git a/51-PHP/01.usfm b/51-PHP/01.usfm
index 30c06413..c976d8df 100644
--- a/51-PHP/01.usfm
+++ b/51-PHP/01.usfm
@@ -54,7 +54,7 @@
 
 \s5
 \v 28 And do not be frightened by anything from those opposing you, which is for them a sign of their destruction but of your salvation, salvation that is from God.
-\v 29 Because to you it has been granted, for the sake of Christ, not only to believe on him, but also to suffer for him,
+\v 29 Because to you it has been granted, for the sake of Christ, not only to believe in him, but also to suffer for him,
 \v 30 since you have to suffer the same conflict you saw in me, and now you have heard that it is in me.