diff --git a/README.adoc b/README.adoc
index 2cfb9ea..abdc279 100644
--- a/README.adoc
+++ b/README.adoc
@@ -59,14 +59,14 @@ Some tools are published with homebrew:
 ----
 brew tap DavidGamba/dgtools https://github.com/DavidGamba/dgtools
 brew search DavidGamba/dgtools
-brew install --HEAD DavidGamba/dgtools/<tool>
+brew install DavidGamba/dgtools/<tool>
 ----
 
 Upgrade with:
 
 ----
 brew update
-brew reinstall <tool>
+brew upgrade <tool>
 ----
 
 Bash completions are installed by default.
diff --git a/mermaid/README.adoc b/mermaid/README.adoc
index d4aba18..e396085 100644
--- a/mermaid/README.adoc
+++ b/mermaid/README.adoc
@@ -8,7 +8,7 @@ Render mermaid files to SVG or PNG on the CLI
 +
 ----
 brew tap DavidGamba/dgtools https://github.com/DavidGamba/dgtools
-brew install --HEAD DavidGamba/dgtools/mermaid
+brew install DavidGamba/dgtools/mermaid
 ----
 +
 [NOTE]
@@ -28,7 +28,7 @@ Upgrade with:
 +
 ----
 brew update
-brew reinstall mermaid
+brew upgrade mermaid
 ----
 
 * Install using go: