diff --git a/README.md b/README.md
index 405f4bb..6c522b6 100644
--- a/README.md
+++ b/README.md
@@ -45,18 +45,18 @@ $op("curl")(op("grad") f) = curl (grad f)$
 
 ### Without `typst` package management
 
-* To use the `physics` package, simply insert `#import "physics.typ": *` at the
+* To use the `physica` package, simply insert `#import "physica.typ": *` at the
 beginning of your document.
 * To reduce the possibility of name collisions, you may want to import the
-package under name scope `physics`:
+package under name scope `physica`:
   ```
-  #import "physics.typ"
+  #import "physica.typ"
 
-  $op("curl")(op("grad") f) = physics.curl (physics.grad f)$
+  $op("curl")(op("grad") f) = physica.curl (physica.grad f)$
   ```
 * You may also import names specifically:
   ```
-  #import "physics.typ": curl, grad
+  #import "physica.typ": curl, grad
 
   $op("curl")(op("grad") f) = curl (grad f)$
   ```
@@ -76,7 +76,7 @@ typst 0.6.0 (2dfd44fe)
 To regenerate the manual, use command
 
 ```sh
-typst watch physics-manual.typ
+typst watch physica-manual.typ
 ```
 
 ## Contribution
diff --git a/demo.typ b/demo.typ
index ff95db1..fb91f62 100644
--- a/demo.typ
+++ b/demo.typ
@@ -1,8 +1,8 @@
 // Copyright 2023 Leedehai
 // Use of this code is governed by a MIT license in the LICENSE.txt file.
-// For a manual on this package, see physics-manual.pdf.
+// For a manual on this package, see physica-manual.pdf.
 
-#import "physics.typ": *
+#import "physica.typ": *
 
 $
 curl vb(E) = - pdv(vb(B), t),
diff --git a/physica.typ b/physica.typ
index 5e7e523..991083a 100644
--- a/physica.typ
+++ b/physica.typ
@@ -1,6 +1,6 @@
 // Copyright 2023 Leedehai
 // Use of this code is governed by a MIT license in the LICENSE.txt file.
-// Current version: 0.7.5. Please see physics-manual.pdf for user docs.
+// Current version: 0.7.5. Please see physica-manual.pdf for user docs.
 
 // Returns whether a Content object holds an integer. The caller is responsible
 // for ensuring the input argument is a Content object.