diff --git a/lua/preview/compiler.lua b/lua/preview/compiler.lua
index 9f13924..8482b38 100644
--- a/lua/preview/compiler.lua
+++ b/lua/preview/compiler.lua
@@ -408,7 +408,7 @@ end
 ---@param ctx preview.Context
 function M.clean(bufnr, name, provider, ctx)
   if not provider.clean then
-    vim.notify('[preview.nvim] provider "' .. name .. '" has no clean command', vim.log.levels.WARN)
+    vim.notify('[preview.nvim]: provider "' .. name .. '" has no clean command', vim.log.levels.WARN)
     return
   end
 
@@ -432,10 +432,10 @@ function M.clean(bufnr, name, provider, ctx)
     vim.schedule_wrap(function(result)
       if result.code == 0 then
         log.dbg('clean succeeded for buffer %d', bufnr)
-        vim.notify('[preview.nvim] clean complete', vim.log.levels.INFO)
+        vim.notify('[preview.nvim]: clean complete', vim.log.levels.INFO)
       else
         log.dbg('clean failed for buffer %d (exit code %d)', bufnr, result.code)
-        vim.notify('[preview.nvim] clean failed: ' .. (result.stderr or ''), vim.log.levels.ERROR)
+        vim.notify('[preview.nvim]: clean failed: ' .. (result.stderr or ''), vim.log.levels.ERROR)
       end
     end)
   )
diff --git a/lua/preview/init.lua b/lua/preview/init.lua
index 29b282c..acceea5 100644
--- a/lua/preview/init.lua
+++ b/lua/preview/init.lua
@@ -148,7 +148,7 @@ function M.build(bufnr)
   bufnr = bufnr or vim.api.nvim_get_current_buf()
   local name = M.resolve_provider(bufnr)
   if not name then
-    vim.notify('[preview.nvim] no provider configured for this filetype', vim.log.levels.WARN)
+    vim.notify('[preview.nvim]: no provider configured for this filetype', vim.log.levels.WARN)
     return
   end
   local ctx = M.build_context(bufnr)
@@ -167,7 +167,7 @@ function M.clean(bufnr)
   bufnr = bufnr or vim.api.nvim_get_current_buf()
   local name = M.resolve_provider(bufnr)
   if not name then
-    vim.notify('[preview.nvim] no provider configured for this filetype', vim.log.levels.WARN)
+    vim.notify('[preview.nvim]: no provider configured for this filetype', vim.log.levels.WARN)
     return
   end
   local ctx = M.build_context(bufnr)
@@ -180,7 +180,7 @@ function M.watch(bufnr)
   bufnr = bufnr or vim.api.nvim_get_current_buf()
   local name = M.resolve_provider(bufnr)
   if not name then
-    vim.notify('[preview.nvim] no provider configured for this filetype', vim.log.levels.WARN)
+    vim.notify('[preview.nvim]: no provider configured for this filetype', vim.log.levels.WARN)
     return
   end
   local provider = config.providers[name]
@@ -193,7 +193,7 @@ function M.open(bufnr)
   local name = M.resolve_provider(bufnr)
   local open_config = name and config.providers[name] and config.providers[name].open
   if not compiler.open(bufnr, open_config) then
-    vim.notify('[preview.nvim] no output file available for this buffer', vim.log.levels.WARN)
+    vim.notify('[preview.nvim]: no output file available for this buffer', vim.log.levels.WARN)
   end
 end