diff --git a/man5/proc.5 b/man5/proc.5
index e20505252..8c24e255e 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -1026,7 +1026,7 @@ size       total program size
            (same as VmSize in \fI/proc/[pid]/status\fP)
 resident   resident set size
            (same as VmRSS in \fI/proc/[pid]/status\fP)
-share      shared pages (from shared mappings)
+share      shared pages (i.e., backed by a file)
 text       text (code)
 .\" (not including libs; broken, includes data segment)
 lib        library (unused in Linux 2.6)