diff --git a/man5/proc.5 b/man5/proc.5
index 173a1363b..939045edf 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -1525,7 +1525,7 @@ and in that shell we create some new mount points:
 $ \fBPS1='sh1# ' unshare \-Urnm\fP
 sh1# \fBmount \-t tmpfs tmpfs /etc\fP  # Mount empty tmpfs at /etc
 sh1# \fBmount \-\-bind /usr /dev\fP     # Mount /usr at /dev
-sh1# \fBecho $$
+sh1# \fBecho $$\fP
 27123
 .in
 .fi
@@ -1533,10 +1533,10 @@ sh1# \fBecho $$
 In a second terminal window, in the initial mount namespace,
 we look at the contents of the corresponding mounts in
 the initial and new namespaces:
-    
+
 .nf
 .in +4n
-$ \fBPS1='sh2# ' sudo sh
+$ \fBPS1='sh2# ' sudo sh\fP
 sh2# \fBls /etc | wc \-l\fP                  # In initial NS
 309
 sh2# \fBls /proc/27123/root/etc | wc \-l\fP  # /etc in other NS