diff --git a/engine/preprocessor/Cargo.toml b/engine/preprocessor/Cargo.toml
index 432c744..9420f84 100644
--- a/engine/preprocessor/Cargo.toml
+++ b/engine/preprocessor/Cargo.toml
@@ -3,7 +3,8 @@ name = "afrim-preprocessor"
 version = "0.5.1"
 edition = "2021"
 description = "A preprocessor to process keyboard events for an input method."
-keywords = ["ime", "processor", "keyboard"]
+keywords = ["ime", "preprocessor", "keyboard"]
+category = ["text-processing"]
 repository = "https://github.com/pythonbrad/afrim"
 license = "MIT"
 readme = "README.md"
diff --git a/engine/translator/Cargo.toml b/engine/translator/Cargo.toml
index e7e8939..55b342a 100644
--- a/engine/translator/Cargo.toml
+++ b/engine/translator/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.1.2"
 edition = "2021"
 description = "Manage the predication system of the afrim input method."
 keywords = ["auto-complete", "ime", "predication"]
+category = ["text-processing"]
 repository = "https://github.com/pythonbrad/afrim"
 license = "MIT"
 readme = "README.md"
diff --git a/engine/translator/README.md b/engine/translator/README.md
index 1e20685..1df86f3 100644
--- a/engine/translator/README.md
+++ b/engine/translator/README.md
@@ -3,5 +3,5 @@ Handle the predication system for an input method.
 
 ### Features
 - rhai: Enable the usage of the rhai scripting language.
-- rhai-wasm: Like rai, but wasm compatible.
+- rhai-wasm: Like rhai, but wasm compatible.
 - strsim: Enable the text similarity algorithm.
diff --git a/memory/Cargo.toml b/memory/Cargo.toml
index 7fe7e6b..0958cb7 100644
--- a/memory/Cargo.toml
+++ b/memory/Cargo.toml
@@ -4,6 +4,8 @@ version = "0.3.2"
 edition = "2021"
 description = "Make the handle of sequential codes easier for an input method."
 keywords = ["ime", "memory", "data-structure"]
+category = ["text-processing"]
+
 repository = "https://github.com/pythonbrad/afrim"
 license = "MIT"
 readme = "README.md"
diff --git a/memory/README.md b/memory/README.md
index b83f82b..b628148 100644
--- a/memory/README.md
+++ b/memory/README.md
@@ -1,2 +1,2 @@
-# Afrime
+# Afrim
 Manage the memory for an input method.
diff --git a/service/Cargo.toml b/service/Cargo.toml
index 21e8d6b..192aca4 100644
--- a/service/Cargo.toml
+++ b/service/Cargo.toml
@@ -4,6 +4,7 @@ version = "0.5.2"
 edition = "2021"
 description = "Core library of the afrim input method."
 keywords = ["ime", "keyboard"]
+category = ["text-processing"]
 repository = "https://github.com/pythonbrad/afrim"
 license = "MIT"
 readme = "../README.md"