diff --git a/lib/system_overview.rst b/lib/system_overview.rst
index f0945873c4..9125c29ba9 100644
--- a/lib/system_overview.rst
+++ b/lib/system_overview.rst
@@ -45,27 +45,27 @@ Proc                              Usage
 Seqs
 ----
 
-===========================================   ==========================================
-Proc                                          Usage
-===========================================   ==========================================
-`newSeq<#newSeq>`_                            Create a new sequence of a given length
-`newSeqOfCap<#newSeqOfCap,Natural>`_          Create a new sequence with zero length
-                                              and a given capacity
-`setLen<#setLen,seq[T][T],Natural>`_          Set the length of a sequence
-`len<#len,seq[T][T]>`_                        Return the length of a sequence
-`@<#@,array[IDX,T]>`_                         Turn an array into a sequence
-`add<#add,seq[T][T],T>`_                      Add an item to the sequence
-`insert<#insert,seq[T][T],T>`_                Insert an item at a specific position
-`delete<#delete,seq[T][T],Natural>`_          Delete an item while preserving the
-                                              order of elements (`O(n)` operation)
-`del<#del,seq[T][T],Natural>`_                `O(1)` removal, doesn't preserve the order
-`pop<#pop,seq[T][T]>`_                        Remove and return last item of a sequence
-`x & y<#&,seq[T][T],seq[T][T]>`_              Concatenate two sequences
-`x[a..b]<#[],openArray[T],HSlice[U,V]>`_      Slice of a sequence (both ends included)
-`x[a..^b]<#[],openArray[T],HSlice[U,V]>`_     Slice of a sequence but `b` is a 
-                                              reversed index (both ends included)
-`x[a..\<b]<#[],openArray[T],HSlice[U,V]>`_    Slice of a sequence (excluded upper bound)
-===========================================   ==========================================
+==============================================     ==========================================
+Proc                                               Usage
+==============================================     ==========================================
+`newSeq<#newSeq>`_                                 Create a new sequence of a given length
+`newSeqOfCap<#newSeqOfCap,Natural>`_               Create a new sequence with zero length
+                                                   and a given capacity
+`setLen<#setLen,seq[T],Natural>`_                  Set the length of a sequence
+`len<#len,seq[T]>`_                                Return the length of a sequence
+`@<#@>`_                                           Turn an array into a sequence
+`add<#add,seq[T],>`_                               Add an item to the sequence
+`insert<#insert,seq[T],>`_                         Insert an item at a specific position
+`delete<#delete,seq[T],Natural>`_                  Delete an item while preserving the
+                                                   order of elements (`O(n)` operation)
+`del<#del,seq[T],Natural>`_                        `O(1)` removal, doesn't preserve the order
+`pop<#pop,seq[T]>`_                                Remove and return last item of a sequence
+`x & y<#&,seq[T],seq[T]>`_                         Concatenate two sequences
+`x[a .. b]<#[],openArray[T],HSlice[U,V]>`_         Slice of a sequence (both ends included)
+`x[a .. ^b]<#[],openArray[T],HSlice[U,V]>`_        Slice of a sequence but `b` is a 
+                                                   reversed index (both ends included)
+`x[a ..\< b]<#[],openArray[T],HSlice[U,V]>`_       Slice of a sequence (excluded upper bound)
+==============================================     ==========================================
 
 **See also:**
 * `sequtils module <sequtils.html>`_ for operations on container