diff --git a/man2/ptrace.2 b/man2/ptrace.2
index b98835f94..4d9a9c67e 100644
--- a/man2/ptrace.2
+++ b/man2/ptrace.2
@@ -1031,36 +1031,36 @@ The
 .I ptrace_syscall_info
 structure contains the following fields:
 .IP
-.in
+.in +4n
 .EX
 struct ptrace_syscall_info {
-    __u8 op;                    /* PTRACE_SYSCALL_INFO_* value
-                                   describing the kind
-                                   of system call stop,
-                                   see <linux/ptrace.h> */
-    __u32 arch;                 /* AUDIT_ARCH_* value,
-                                   see seccomp(2) */
+    __u8 op;                /* PTRACE_SYSCALL_INFO_* value
+                               describing the kind
+                               of system call stop,
+                               see <linux/ptrace.h> */
+    __u32 arch;             /* AUDIT_ARCH_* value,
+                               see seccomp(2) */
     __u64 instruction_pointer;  /* CPU instruction pointer */
-    __u64 stack_pointer;        /* CPU stack pointer */
+    __u64 stack_pointer;    /* CPU stack pointer */
     union {
         struct {
-            __u64 nr;           /* System call number */
-            __u64 args[6];      /* System call arguments */
-        } entry;                /* Information specific to
-                                   system call entry stops */
+            __u64 nr;       /* System call number */
+            __u64 args[6];  /* System call arguments */
+        } entry;            /* Information specific to
+                               system call entry stops */
         struct {
-            __s64 rval;         /* System call return value */
-            __u8 is_error;      /* System call error flag */
-        } exit;                 /* Information specific to
-                                   system call exit stops */
+            __s64 rval;     /* System call return value */
+            __u8 is_error;  /* System call error flag */
+        } exit;             /* Information specific to
+                               system call exit stops */
         struct {
-            __u64 nr;           /* System call number */
-            __u64 args[6];      /* System call arguments */
-            __u32 ret_data;     /* The SECCOMP_RET_DATA portion
-                                   of SECCOMP_RET_TRACE return
-                                   value */
-        } seccomp;              /* Information specific to
-                                   PTRACE_EVENT_SECCOMP stops */
+            __u64 nr;       /* System call number */
+            __u64 args[6];  /* System call arguments */
+            __u32 ret_data; /* The SECCOMP_RET_DATA portion
+                               of SECCOMP_RET_TRACE return
+                               value */
+        } seccomp;          /* Information specific to
+                               PTRACE_EVENT_SECCOMP stops */
     };
 };
 .EE