diff --git a/parser.zig b/parser.zig
index f4ea780..42a4ac7 100644
--- a/parser.zig
+++ b/parser.zig
@@ -155,7 +155,7 @@ fn checkIfBlockStarts(allocator: std.mem.Allocator, line: *[]const u8) !?Block {
     } else if (std.mem.startsWith(u8, line.*, "#")) {
         const level = getHeadingLevel(line.*);
         if (line.*[level..].len != 0) {
-            if (line.*[level] != ' ' or line.*[level] != '\t') return null;
+            if (line.*[level] != ' ' and line.*[level] != '\t') return null;
             line.* = line.*[level + 1 ..];
         }
         return Block{ .heading = .{
diff --git a/readme.md b/readme.md
index cf97108..9368c91 100644
--- a/readme.md
+++ b/readme.md
@@ -19,7 +19,7 @@ Ver [cli.zig](cli.zig)
 
 ## CommonMark
 
-Actualmente: `114 passed, 538 failed, 0 errored, 0 skipped`
+Actualmente: `122 passed, 530 failed, 0 errored, 0 skipped`
 
 Para correr los tests: