diff --git a/README.md b/README.md
index e9db2aac01bdf5ef32bc7ac261366fd6746e3b3d..e031c5ade9c208bb8fb108f377305c4f6f0b4fad 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # b-eventb-language-extension README
 
-Compiler support for b/eventb via ProB. You need a build a version of ProB downloaded to use fully use this extension. Visit https://www3.hhu.de/stups/prob/ to get the latest version.
+Compiler support for b/eventb via ProB. You need a nightly build of ProB to fully use this extension. Visit https://www3.hhu.de/stups/prob/ to get the latest version.
 
 
 ## Features
@@ -37,4 +37,9 @@ This extension contributes the following settings:
 
 ### 0.0.2
 
-- Added option to set ProB path
\ No newline at end of file
+- Added option to set ProB path
+
+
+### 0.0.3
+
+- README fix
\ No newline at end of file
diff --git a/package.json b/package.json
index 4ac8908522491c0dcb76a665481c4dd5c67385fe..6602f06517759ec2361d750d19e753ceeb618b38 100644
--- a/package.json
+++ b/package.json
@@ -17,10 +17,10 @@
 		"Programming Languages"
 	],
 	"keywords": [
-		"multi-root ready"
+		"multi-root ready", "B", "eventB", "proB"
 	],
 	"activationEvents": [
-		"onLanguage:plaintext"
+		"onLanguage:B", "onLanguage:eventB"
 	],
 	"main": "./client/out/extension",
 	"contributes": {