diff --git a/man5/proc.5 b/man5/proc.5
index 48d0b5e06..3533858ba 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -4354,7 +4354,7 @@ See also
 .I /proc/sys
 This directory (present since 1.3.57) contains a number of files
 and subdirectories corresponding to kernel variables.
-These variables can be read and sometimes modified using
+These variables can be read and in some cases modified using
 the \fI/proc\fP filesystem, and the (deprecated)
 .BR sysctl (2)
 system call.