diff --git a/about.md b/about.md
index 3d0a1f3..5f65848 100644
--- a/about.md
+++ b/about.md
@@ -24,7 +24,7 @@ For more [PrefSPEC](README.md) info use:
 
 - [X] Good look and feel and interactions among processing, analisys and presentation layers
 - [X] Use better software packages management like [uv](https://docs.astral.sh/uv/) to complement Python **pip**
-- [X] Use an <u>>open</u> and compatible notebook like [Marimo](https://marimo.io/) to support alternative dataframes engines like [Polars](https://pola.rs/) rather than [Pandas](https://pandas.pydata.org/) 
+- [X] Use an <u>open</u> and compatible notebook like [Marimo](https://marimo.io/) to support alternative dataframes engines like [Polars](https://pola.rs/) rather than [Pandas](https://pandas.pydata.org/) 
 - [X] Use settings and structures to play with different settinigs and options 
 - [X] Implement one customized [LSTM](https://en.wikipedia.org/wiki/Long_short-term_memory) model within notebooks
 - [X] Use of different metrics to apply to the training models with custumezable adjustments and checkpoints
@@ -47,7 +47,7 @@ For more [PrefSPEC](README.md) info use:
 
 ## [PerfSPEC](README.md)
 
-- [ ] Borrow some parts to [PerfSPEC Learning Phase](README.md) **Ranking** phase in classify and measure resources and performance costs
+- [ ] Borrow some parts to [PerfSPEC](README.md) **Ranking Phase** in classify and measure resources and performance costs
 - [ ] Analisys and connection with other parts of [PerfSPEC design and reference](PerfSPEC.pdf) like **Ranking** and **Runtime** phases 
 
 # In Review