diff --git a/lua/ow/lsp.lua b/lua/ow/lsp.lua
index 59a8ffd..018cfbf 100644
--- a/lua/ow/lsp.lua
+++ b/lua/ow/lsp.lua
@@ -146,6 +146,7 @@ local function setup_diagnostics()
             format = function(diagnostic)
                 return string.format("%s", diagnostic.message)
             end,
+            width = 80,
         },
         update_in_insert = false,
         severity_sort = true,
diff --git a/lua/ow/lsp/keymap.lua b/lua/ow/lsp/keymap.lua
index 72e5d66..4114f90 100644
--- a/lua/ow/lsp/keymap.lua
+++ b/lua/ow/lsp/keymap.lua
@@ -52,14 +52,14 @@ function M:init(server, bufnr)
             mode = { "n", "i" },
             lhs = "<C-k>",
             rhs = function()
-                vim.lsp.buf.hover({ border = "single" })
+                vim.lsp.buf.hover({ border = "single", max_width = 80 })
             end,
         },
         {
             mode = { "n", "i" },
             lhs = "<C-j>",
             rhs = function()
-                vim.lsp.buf.signature_help({ border = "single" })
+                vim.lsp.buf.signature_help({ border = "single", max_width = 80 })
             end,
         },
         {