Change package name for observers
diff --git a/javaparser-core/bnd.bnd b/javaparser-core/bnd.bnd
index bf50c24..55833db 100644
--- a/javaparser-core/bnd.bnd
+++ b/javaparser-core/bnd.bnd
@@ -12,7 +12,7 @@
     com.github.javaparser.ast.stmt, \
     com.github.javaparser.ast.type, \
     com.github.javaparser.ast.visitor, \
-    com.github.javaparser.ast.observing
+    com.github.javaparser.ast.observer
 
 # Don't use the project's version for the packages
 # We prefer not setting a version as we don't follow OSGi version semantics