diff --git a/README.md b/README.md
index 4b0d3e6..af845f1 100644
--- a/README.md
+++ b/README.md
@@ -126,7 +126,7 @@ back to the pack level comparison (see tilde below). For example,
 
 * `1.2.x` is equivalent to `>= 1.2.0, < 1.3.0`
 * `>= 1.2.x` is equivalent to `>= 1.2.0`
-* `<= 2.x` is equivalent to `<= 3`
+* `<= 2.x` is equivalent to `< 3`
 * `*` is equivalent to `>= 0.0.0`
 
 ## Tilde Range Comparisons (Patch)
diff --git a/constraints_test.go b/constraints_test.go
index fed9329..ab78d63 100644
--- a/constraints_test.go
+++ b/constraints_test.go
@@ -188,7 +188,7 @@ func TestConstraintsCheck(t *testing.T) {
 		{"<1.1", "1.1.0", false},
 		{"<1.1", "1.1.1", false},
 		{"<1.x", "1.1.1", true},
-		{"<1.x", "2.1.1", false},
+		{"<1.x", "2.0.0", false},
 		{"<1.1.x", "1.2.1", false},
 		{"<1.1.x", "1.1.500", true},
 		{"<1.2.x", "1.1.1", true},
@@ -201,7 +201,7 @@ func TestConstraintsCheck(t *testing.T) {
 		{"<=1.1-a", "0.1.0-alpha", true},
 		{"<=1.1", "1.1.0", true},
 		{"<=1.x", "1.1.0", true},
-		{"<=2.x", "3.1.0", false},
+		{"<=2.x", "3.0.0", false},
 		{"<=1.1", "1.1.1", false},
 		{"<=1.1.x", "1.2.500", false},
 		{">1.1, <2", "1.1.1", true},