Add description metadata to remaining expressions pages

website/docs/language/expressions/for.html.md

@@ -1,6 +1,8 @@
 ---
 layout: "language"
 page_title: "For Expressions - Configuration Language"
+description: |-
+  Using `for` expressions in Terraform configurations.
 ---
 
 # `for` Expressions

website/docs/language/expressions/function-calls.html.md

@@ -1,6 +1,8 @@
 ---
 layout: "language"
 page_title: "Function Calls - Configuration Language"
+description: |-
+  Using function calls in Terraform configurations.
 ---
 
 # Function Calls

website/docs/language/expressions/index.html.md

@@ -1,6 +1,8 @@
 ---
 layout: "language"
 page_title: "Expressions - Configuration Language"
+description: |-
+  An overview of expressions used to compute values in in Terraform configurations.
 ---
 
 # Expressions

website/docs/language/expressions/operators.html.md

@@ -1,6 +1,8 @@
 ---
 layout: "language"
 page_title: "Operators - Configuration Language"
+description: |-
+  Using operators in Terraform configurations.
 ---
 
 # Arithmetic and Logical Operators

website/docs/language/expressions/references.html.md

@@ -1,6 +1,8 @@
 ---
 layout: "language"
 page_title: "References to Values - Configuration Language"
+description: |-
+  Using references to values in Terraform configurations.
 ---
 
 # References to Named Values

website/docs/language/expressions/splat.html.md

@@ -1,6 +1,8 @@
 ---
 layout: "language"
 page_title: "Splat Expressions - Configuration Language"
+description: |-
+  Using splat expressions in Terraform configurations.
 ---
 
 # Splat Expressions

website/docs/language/expressions/strings.html.md

@@ -1,6 +1,8 @@
 ---
 layout: "language"
 page_title: "Strings and Templates - Configuration Language"
+description: |-
+  Using strings and templates in Terraform configurations.
 ---
 
 # Strings and Templates

website/docs/language/expressions/version-constraints.html.md

@@ -1,6 +1,8 @@
 ---
 layout: "language"
 page_title: "Version Constraints - Configuration Language"
+description: |-
+  Using version constraints in Terraform configurations. 
 ---
 
 # Version Constraints