diff --git a/node.go b/node.go
index 5aab30a..5055739 100644
--- a/node.go
+++ b/node.go
@@ -5,7 +5,7 @@ import "strings"
 // Node types
 const (
 	separator = '/'
-	parameter = ':'
+	parameter = '['
 	wildcard  = '*'
 )
 
@@ -119,15 +119,21 @@ func (node *Node[T]) append(path string, data T) {
 		// If we're directly in front of a parameter,
 		// add a parameter node.
 		if paramStart == 0 {
-			paramEnd := strings.IndexByte(path, separator)
-
+			paramEnd := strings.IndexByte(path[1:], ']')
 			if paramEnd == -1 {
 				paramEnd = len(path)
+			} else {
+				paramEnd = paramEnd + 1 // Account for the offset from path[1:]
+			}
+
+			nextSep := strings.IndexByte(path[paramEnd+1:], separator)
+			if nextSep == -1 {
+				nextSep = len(path[paramEnd+1:])
 			}
 
 			child := &Node[T]{
-				prefix: path[1:paramEnd],
-				kind:   path[paramStart],
+				prefix: path[1:paramEnd], // Exclude the opening '['
+				kind:   parameter,
 			}
 
 			switch child.kind {
@@ -135,7 +141,7 @@ func (node *Node[T]) append(path string, data T) {
 				child.addTrailingSlash(data)
 				node.parameter = child
 				node = child
-				path = path[paramEnd:]
+				path = path[paramEnd+nextSep+1:]
 				continue
 
 			case wildcard:
diff --git a/tests/blog.txt b/tests/blog.txt
index 755965f..f0d928f 100644
--- a/tests/blog.txt
+++ b/tests/blog.txt
@@ -1,4 +1,4 @@
 GET /
-GET /:slug
+GET /[slug]
 GET /tags
-GET /tag/:tag
\ No newline at end of file
+GET /tag/[tag]
\ No newline at end of file
diff --git a/tests/github.txt b/tests/github.txt
index fc85456..d22ed36 100644
--- a/tests/github.txt
+++ b/tests/github.txt
@@ -1,203 +1,203 @@
 GET /authorizations
-GET /authorizations/:id
+GET /authorizations/[id]
 POST /authorizations
-DELETE /authorizations/:id
-GET /applications/:client_id/tokens/:access_token
-DELETE /applications/:client_id/tokens
-DELETE /applications/:client_id/tokens/:access_token
+DELETE /authorizations/[id]
+GET /applications/[client_id]/tokens/[access_token]
+DELETE /applications/[client_id]/tokens
+DELETE /applications/[client_id]/tokens/[access_token]
 GET /events
-GET /repos/:owner/:repo/events
-GET /networks/:owner/:repo/events
-GET /orgs/:org/events
-GET /users/:user/received_events
-GET /users/:user/received_events/public
-GET /users/:user/events
-GET /users/:user/events/public
-GET /users/:user/events/orgs/:org
+GET /repos/[owner]/[repo]/events
+GET /networks/[owner]/[repo]/events
+GET /orgs/[org]/events
+GET /users/[user]/received_events
+GET /users/[user]/received_events/public
+GET /users/[user]/events
+GET /users/[user]/events/public
+GET /users/[user]/events/orgs/[org]
 GET /feeds
 GET /notifications
-GET /repos/:owner/:repo/notifications
+GET /repos/[owner]/[repo]/notifications
 PUT /notifications
-PUT /repos/:owner/:repo/notifications
-GET /notifications/threads/:id
-GET /notifications/threads/:id/subscription
-PUT /notifications/threads/:id/subscription
-DELETE /notifications/threads/:id/subscription
-GET /repos/:owner/:repo/stargazers
-GET /users/:user/starred
+PUT /repos/[owner]/[repo]/notifications
+GET /notifications/threads/[id]
+GET /notifications/threads/[id]/subscription
+PUT /notifications/threads/[id]/subscription
+DELETE /notifications/threads/[id]/subscription
+GET /repos/[owner]/[repo]/stargazers
+GET /users/[user]/starred
 GET /user/starred
-GET /user/starred/:owner/:repo
-PUT /user/starred/:owner/:repo
-DELETE /user/starred/:owner/:repo
-GET /repos/:owner/:repo/subscribers
-GET /users/:user/subscriptions
+GET /user/starred/[owner]/[repo]
+PUT /user/starred/[owner]/[repo]
+DELETE /user/starred/[owner]/[repo]
+GET /repos/[owner]/[repo]/subscribers
+GET /users/[user]/subscriptions
 GET /user/subscriptions
-GET /repos/:owner/:repo/subscription
-PUT /repos/:owner/:repo/subscription
-DELETE /repos/:owner/:repo/subscription
-GET /user/subscriptions/:owner/:repo
-PUT /user/subscriptions/:owner/:repo
-DELETE /user/subscriptions/:owner/:repo
-GET /users/:user/gists
+GET /repos/[owner]/[repo]/subscription
+PUT /repos/[owner]/[repo]/subscription
+DELETE /repos/[owner]/[repo]/subscription
+GET /user/subscriptions/[owner]/[repo]
+PUT /user/subscriptions/[owner]/[repo]
+DELETE /user/subscriptions/[owner]/[repo]
+GET /users/[user]/gists
 GET /gists
-GET /gists/:id
+GET /gists/[id]
 POST /gists
-PUT /gists/:id/star
-DELETE /gists/:id/star
-GET /gists/:id/star
-POST /gists/:id/forks
-DELETE /gists/:id
-GET /repos/:owner/:repo/git/blobs/:sha
-POST /repos/:owner/:repo/git/blobs
-GET /repos/:owner/:repo/git/commits/:sha
-POST /repos/:owner/:repo/git/commits
-GET /repos/:owner/:repo/git/refs
-POST /repos/:owner/:repo/git/refs
-GET /repos/:owner/:repo/git/tags/:sha
-POST /repos/:owner/:repo/git/tags
-GET /repos/:owner/:repo/git/trees/:sha
-POST /repos/:owner/:repo/git/trees
+PUT /gists/[id]/star
+DELETE /gists/[id]/star
+GET /gists/[id]/star
+POST /gists/[id]/forks
+DELETE /gists/[id]
+GET /repos/[owner]/[repo]/git/blobs/[sha]
+POST /repos/[owner]/[repo]/git/blobs
+GET /repos/[owner]/[repo]/git/commits/[sha]
+POST /repos/[owner]/[repo]/git/commits
+GET /repos/[owner]/[repo]/git/refs
+POST /repos/[owner]/[repo]/git/refs
+GET /repos/[owner]/[repo]/git/tags/[sha]
+POST /repos/[owner]/[repo]/git/tags
+GET /repos/[owner]/[repo]/git/trees/[sha]
+POST /repos/[owner]/[repo]/git/trees
 GET /issues
 GET /user/issues
-GET /orgs/:org/issues
-GET /repos/:owner/:repo/issues
-GET /repos/:owner/:repo/issues/:number
-POST /repos/:owner/:repo/issues
-GET /repos/:owner/:repo/assignees
-GET /repos/:owner/:repo/assignees/:assignee
-GET /repos/:owner/:repo/issues/:number/comments
-POST /repos/:owner/:repo/issues/:number/comments
-GET /repos/:owner/:repo/issues/:number/events
-GET /repos/:owner/:repo/labels
-GET /repos/:owner/:repo/labels/:name
-POST /repos/:owner/:repo/labels
-DELETE /repos/:owner/:repo/labels/:name
-GET /repos/:owner/:repo/issues/:number/labels
-POST /repos/:owner/:repo/issues/:number/labels
-DELETE /repos/:owner/:repo/issues/:number/labels/:name
-PUT /repos/:owner/:repo/issues/:number/labels
-DELETE /repos/:owner/:repo/issues/:number/labels
-GET /repos/:owner/:repo/milestones/:number/labels
-GET /repos/:owner/:repo/milestones
-GET /repos/:owner/:repo/milestones/:number
-POST /repos/:owner/:repo/milestones
-DELETE /repos/:owner/:repo/milestones/:number
+GET /orgs/[org]/issues
+GET /repos/[owner]/[repo]/issues
+GET /repos/[owner]/[repo]/issues/[number]
+POST /repos/[owner]/[repo]/issues
+GET /repos/[owner]/[repo]/assignees
+GET /repos/[owner]/[repo]/assignees/[assignee]
+GET /repos/[owner]/[repo]/issues/[number]/comments
+POST /repos/[owner]/[repo]/issues/[number]/comments
+GET /repos/[owner]/[repo]/issues/[number]/events
+GET /repos/[owner]/[repo]/labels
+GET /repos/[owner]/[repo]/labels/[name]
+POST /repos/[owner]/[repo]/labels
+DELETE /repos/[owner]/[repo]/labels/[name]
+GET /repos/[owner]/[repo]/issues/[number]/labels
+POST /repos/[owner]/[repo]/issues/[number]/labels
+DELETE /repos/[owner]/[repo]/issues/[number]/labels/[name]
+PUT /repos/[owner]/[repo]/issues/[number]/labels
+DELETE /repos/[owner]/[repo]/issues/[number]/labels
+GET /repos/[owner]/[repo]/milestones/[number]/labels
+GET /repos/[owner]/[repo]/milestones
+GET /repos/[owner]/[repo]/milestones/[number]
+POST /repos/[owner]/[repo]/milestones
+DELETE /repos/[owner]/[repo]/milestones/[number]
 GET /emojis
 GET /gitignore/templates
-GET /gitignore/templates/:name
+GET /gitignore/templates/[name]
 POST /markdown
 POST /markdown/raw
 GET /meta
 GET /rate_limit
-GET /users/:user/orgs
+GET /users/[user]/orgs
 GET /user/orgs
-GET /orgs/:org
-GET /orgs/:org/members
-GET /orgs/:org/members/:user
-DELETE /orgs/:org/members/:user
-GET /orgs/:org/public_members
-GET /orgs/:org/public_members/:user
-PUT /orgs/:org/public_members/:user
-DELETE /orgs/:org/public_members/:user
-GET /orgs/:org/teams
-GET /teams/:id
-POST /orgs/:org/teams
-DELETE /teams/:id
-GET /teams/:id/members
-GET /teams/:id/members/:user
-PUT /teams/:id/members/:user
-DELETE /teams/:id/members/:user
-GET /teams/:id/repos
-GET /teams/:id/repos/:owner/:repo
-PUT /teams/:id/repos/:owner/:repo
-DELETE /teams/:id/repos/:owner/:repo
+GET /orgs/[org]
+GET /orgs/[org]/members
+GET /orgs/[org]/members/[user]
+DELETE /orgs/[org]/members/[user]
+GET /orgs/[org]/public_members
+GET /orgs/[org]/public_members/[user]
+PUT /orgs/[org]/public_members/[user]
+DELETE /orgs/[org]/public_members/[user]
+GET /orgs/[org]/teams
+GET /teams/[id]
+POST /orgs/[org]/teams
+DELETE /teams/[id]
+GET /teams/[id]/members
+GET /teams/[id]/members/[user]
+PUT /teams/[id]/members/[user]
+DELETE /teams/[id]/members/[user]
+GET /teams/[id]/repos
+GET /teams/[id]/repos/[owner]/[repo]
+PUT /teams/[id]/repos/[owner]/[repo]
+DELETE /teams/[id]/repos/[owner]/[repo]
 GET /user/teams
-GET /repos/:owner/:repo/pulls
-GET /repos/:owner/:repo/pulls/:number
-POST /repos/:owner/:repo/pulls
-GET /repos/:owner/:repo/pulls/:number/commits
-GET /repos/:owner/:repo/pulls/:number/files
-GET /repos/:owner/:repo/pulls/:number/merge
-PUT /repos/:owner/:repo/pulls/:number/merge
-GET /repos/:owner/:repo/pulls/:number/comments
-PUT /repos/:owner/:repo/pulls/:number/comments
+GET /repos/[owner]/[repo]/pulls
+GET /repos/[owner]/[repo]/pulls/[number]
+POST /repos/[owner]/[repo]/pulls
+GET /repos/[owner]/[repo]/pulls/[number]/commits
+GET /repos/[owner]/[repo]/pulls/[number]/files
+GET /repos/[owner]/[repo]/pulls/[number]/merge
+PUT /repos/[owner]/[repo]/pulls/[number]/merge
+GET /repos/[owner]/[repo]/pulls/[number]/comments
+PUT /repos/[owner]/[repo]/pulls/[number]/comments
 GET /user/repos
-GET /users/:user/repos
-GET /orgs/:org/repos
+GET /users/[user]/repos
+GET /orgs/[org]/repos
 GET /repositories
 POST /user/repos
-POST /orgs/:org/repos
-GET /repos/:owner/:repo
-GET /repos/:owner/:repo/contributors
-GET /repos/:owner/:repo/languages
-GET /repos/:owner/:repo/teams
-GET /repos/:owner/:repo/tags
-GET /repos/:owner/:repo/branches
-GET /repos/:owner/:repo/branches/:branch
-DELETE /repos/:owner/:repo
-GET /repos/:owner/:repo/collaborators
-GET /repos/:owner/:repo/collaborators/:user
-PUT /repos/:owner/:repo/collaborators/:user
-DELETE /repos/:owner/:repo/collaborators/:user
-GET /repos/:owner/:repo/comments
-GET /repos/:owner/:repo/commits/:sha/comments
-POST /repos/:owner/:repo/commits/:sha/comments
-GET /repos/:owner/:repo/comments/:id
-DELETE /repos/:owner/:repo/comments/:id
-GET /repos/:owner/:repo/commits
-GET /repos/:owner/:repo/commits/:sha
-GET /repos/:owner/:repo/readme
-GET /repos/:owner/:repo/keys
-GET /repos/:owner/:repo/keys/:id
-POST /repos/:owner/:repo/keys
-DELETE /repos/:owner/:repo/keys/:id
-GET /repos/:owner/:repo/downloads
-GET /repos/:owner/:repo/downloads/:id
-DELETE /repos/:owner/:repo/downloads/:id
-GET /repos/:owner/:repo/forks
-POST /repos/:owner/:repo/forks
-GET /repos/:owner/:repo/hooks
-GET /repos/:owner/:repo/hooks/:id
-POST /repos/:owner/:repo/hooks
-POST /repos/:owner/:repo/hooks/:id/tests
-DELETE /repos/:owner/:repo/hooks/:id
-POST /repos/:owner/:repo/merges
-GET /repos/:owner/:repo/releases
-GET /repos/:owner/:repo/releases/:id
-POST /repos/:owner/:repo/releases
-DELETE /repos/:owner/:repo/releases/:id
-GET /repos/:owner/:repo/releases/:id/assets
-GET /repos/:owner/:repo/stats/contributors
-GET /repos/:owner/:repo/stats/commit_activity
-GET /repos/:owner/:repo/stats/code_frequency
-GET /repos/:owner/:repo/stats/participation
-GET /repos/:owner/:repo/stats/punch_card
-GET /repos/:owner/:repo/statuses/:ref
-POST /repos/:owner/:repo/statuses/:ref
+POST /orgs/[org]/repos
+GET /repos/[owner]/[repo]
+GET /repos/[owner]/[repo]/contributors
+GET /repos/[owner]/[repo]/languages
+GET /repos/[owner]/[repo]/teams
+GET /repos/[owner]/[repo]/tags
+GET /repos/[owner]/[repo]/branches
+GET /repos/[owner]/[repo]/branches/[branch]
+DELETE /repos/[owner]/[repo]
+GET /repos/[owner]/[repo]/collaborators
+GET /repos/[owner]/[repo]/collaborators/[user]
+PUT /repos/[owner]/[repo]/collaborators/[user]
+DELETE /repos/[owner]/[repo]/collaborators/[user]
+GET /repos/[owner]/[repo]/comments
+GET /repos/[owner]/[repo]/commits/[sha]/comments
+POST /repos/[owner]/[repo]/commits/[sha]/comments
+GET /repos/[owner]/[repo]/comments/[id]
+DELETE /repos/[owner]/[repo]/comments/[id]
+GET /repos/[owner]/[repo]/commits
+GET /repos/[owner]/[repo]/commits/[sha]
+GET /repos/[owner]/[repo]/readme
+GET /repos/[owner]/[repo]/keys
+GET /repos/[owner]/[repo]/keys/[id]
+POST /repos/[owner]/[repo]/keys
+DELETE /repos/[owner]/[repo]/keys/[id]
+GET /repos/[owner]/[repo]/downloads
+GET /repos/[owner]/[repo]/downloads/[id]
+DELETE /repos/[owner]/[repo]/downloads/[id]
+GET /repos/[owner]/[repo]/forks
+POST /repos/[owner]/[repo]/forks
+GET /repos/[owner]/[repo]/hooks
+GET /repos/[owner]/[repo]/hooks/[id]
+POST /repos/[owner]/[repo]/hooks
+POST /repos/[owner]/[repo]/hooks/[id]/tests
+DELETE /repos/[owner]/[repo]/hooks/[id]
+POST /repos/[owner]/[repo]/merges
+GET /repos/[owner]/[repo]/releases
+GET /repos/[owner]/[repo]/releases/[id]
+POST /repos/[owner]/[repo]/releases
+DELETE /repos/[owner]/[repo]/releases/[id]
+GET /repos/[owner]/[repo]/releases/[id]/assets
+GET /repos/[owner]/[repo]/stats/contributors
+GET /repos/[owner]/[repo]/stats/commit_activity
+GET /repos/[owner]/[repo]/stats/code_frequency
+GET /repos/[owner]/[repo]/stats/participation
+GET /repos/[owner]/[repo]/stats/punch_card
+GET /repos/[owner]/[repo]/statuses/[ref]
+POST /repos/[owner]/[repo]/statuses/[ref]
 GET /search/repositories
 GET /search/code
 GET /search/issues
 GET /search/users
-GET /legacy/issues/search/:owner/:repository/:state/:keyword
-GET /legacy/repos/search/:keyword
-GET /legacy/user/search/:keyword
-GET /legacy/user/email/:email
-GET /users/:user
+GET /legacy/issues/search/[owner]/[repository]/[state]/[keyword]
+GET /legacy/repos/search/[keyword]
+GET /legacy/user/search/[keyword]
+GET /legacy/user/email/[email]
+GET /users/[user]
 GET /user
 GET /users
 GET /user/emails
 POST /user/emails
 DELETE /user/emails
-GET /users/:user/followers
+GET /users/[user]/followers
 GET /user/followers
-GET /users/:user/following
+GET /users/[user]/following
 GET /user/following
-GET /user/following/:user
-GET /users/:user/following/:target_user
-PUT /user/following/:user
-DELETE /user/following/:user
-GET /users/:user/keys
+GET /user/following/[user]
+GET /users/[user]/following/[target_user]
+PUT /user/following/[user]
+DELETE /user/following/[user]
+GET /users/[user]/keys
 GET /user/keys
-GET /user/keys/:id
+GET /user/keys/[id]
 POST /user/keys
-DELETE /user/keys/:id
\ No newline at end of file
+DELETE /user/keys/[id]
\ No newline at end of file