diff --git a/Cargo.lock b/Cargo.lock
index d4ec44b..1a6bedf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -887,7 +887,7 @@ dependencies = [
 
 [[package]]
 name = "mdbook-embedify"
-version = "0.0.2"
+version = "0.1.0"
 dependencies = [
  "clap",
  "mdbook",
diff --git a/Cargo.toml b/Cargo.toml
index 08c38e4..26278da 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mdbook-embedify"
-version = "0.0.2"
+version = "0.1.0"
 edition = "2021"
 license = "MIT"
 readme = "README.md"
diff --git a/README.md b/README.md
index 56070ec..b75e895 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ This is a [mdbook](https://rust-lang.github.io/mdBook) preprocessor plugin that
 
 ## 1. Installation
 
-First, you need to install mdbook-embedify to your computer.You can install it from crates.io using cargo.
+First, you need to install mdbook-embedify to your computer. You can install it from crates.io using cargo.
 
 ```sh
 cargo install mdbook-embedify
diff --git a/docs/index.html b/docs/index.html
index da36d7e..eebaf3a 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -26,7 +26,7 @@ <h1>Mdbook Embedify</h1>
         <h2>1. Installation</h2>
 
         <p>
-          First, you need to install mdbook-embedify to your computer.You can install it from crates.io using cargo.
+          First, you need to install mdbook-embedify to your computer. You can install it from crates.io using cargo.
         </p>
 
         <pre><code>cargo install mdbook-embedify</code></pre>
diff --git a/src/utils.rs b/src/utils.rs
index 89473a2..3eb9f6a 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -35,10 +35,17 @@ pub fn render_template(app: &str, placeholders: &[(String, String)]) -> String {
     let mut result = template.to_string();
     // replace the key with the value
     for (key, value) in placeholders {
-        // replace {key} or {key|default} with value
-        let pattern = format!(r"\{{{}\|?[^}}]*}}", key);
-        let re = Regex::new(&pattern).unwrap();
-        result = re.replace_all(&result, value).to_string();
+        // replace {key} with value
+        let re = Regex::new(&format!(r"\{{{}}}", key)).unwrap();
+        let replaced_result = re.replace_all(&result, value).to_string();
+        // replacement was successful
+        if replaced_result != result {
+            result = replaced_result;
+        } else {
+            //replacement does not success, try replace {key|default} with value
+            let re = Regex::new(&format!(r"\{{{}\|[^}}]*}}", key)).unwrap();
+            result = re.replace_all(&result, value).to_string();
+        }
     }
     // check if there are any placeholders left, this makes the process faster
     if result.contains('{') && result.contains('}') {