Fix sigil table formatting

Author: awwaiid

doc/Language/variables.pod

@@ -14,12 +14,12 @@ The sigil serves as a variable indicator and type constraint.
 
 =begin table
 
-    Sigil   Type constraint          	Default type  Assignment Examples
-    =====   ===============          	============  ========== ========
-    $       Mu (no type constraint)  	Any           item       Int, Str, Array, Hash
-    @       Positional               	Array         list       List, Array, Range, Buf
-    %       Associative              	Hash          list       Hash, Map, Pair
-    &       Callable                  Callable      item       Sub, Method, Block, Routine
+    Sigil   Type constraint          	Default type  Assignment  Examples
+    =====   ===============          	============  ==========  ========
+    $       Mu (no type constraint)  	Any           item        Int, Str, Array, Hash
+    @       Positional               	Array         list        List, Array, Range, Buf
+    %       Associative              	Hash          list        Hash, Map, Pair
+    &       Callable                  Callable      item        Sub, Method, Block, Routine
 
 =end table