remove inexplicable underscores

Author: JPryce-Aklundh

modules/ROOT/pages/queries/select-version.adoc

@@ -9,7 +9,7 @@ The Cypher version can be set for individual queries or as the default language
 == Cypher 5, Cypher 25, and Neo4j explained
 
 Starting in 2025, the Neo4j server transitioned to a calendar-based versioning system.
-This means Neo4j will no longer use its previous semantic versioning and release pattern (e.g., 5_25, 5.26).
+This means Neo4j will no longer use its previous semantic versioning and release pattern (e.g., 5.25, 5.26).
 Instead, releases from 2025 onwards will follow a *YYYY.MM* format, beginning with version 2025.01 released in January 2025, followed by 2025.02 released in February 2025, and so on.
 
 Cypher 25 is introduced alongside Neo4j 2025.06.
@@ -115,7 +115,7 @@ For example, if a database is created with Cypher 5 as its default language, pre
 === Procedures and functions
 
 link:{neo4j-docs-base-uri}/operations-manual/current/procedures[Procedures] and xref:functions/index.adoc[functions] (including built-in and link:{neo4j-docs-base-uri}/apoc/current/[APOC]) are tied to a specific Cypher language version.
-Therefore, procedures and functions in Neo4j 2025.06+ and APOC 2025.06+ (both of which have Cypher 25 as their default language) may behave differently depending on what version of Cypher is used.
+Therefore, procedures and functions in Neo4j 2025.06+ and APOC 2025.06+ (both of which have Cypher 5 as their default language) may behave differently depending on what version of Cypher is used.
 
 For example, APOC 2025.06 removed Cypher 25 support of the procedure `apoc.create.uuids()`, meaning it is not available to queries running Cypher 25.
 However, it can still be used on APOC 2025.06 if queries are prepended with `CYPHER 5`, or if the database’s default version is set to `CYPHER 5`.
@@ -232,20 +232,20 @@ The table below outlines which Cypher version is assigned to databases in differ
 
 | *Standard DBMS upgrade to Neo4j 2025.06+*
 | Unset
-| *Existing system database:* `CYPHER_5` +
-*Existing user databases:* `CYPHER_5` +
-*New user databases default:* `CYPHER_5`
+| *Existing system database:* `CYPHER 5` +
+*Existing user databases:* `CYPHER 5` +
+*New user databases default:* `CYPHER 5`
 
 | *Custom DBMS upgrade to Neo4j 2025.06+*
-| Manually set to `CYPHER_25` by administrator
-| *Existing system database:* `CYPHER_5` +
-*Existing user databases:* `CYPHER_5`  +
-*New user databases default:* `CYPHER_25`
+| Manually set to `CYPHER 25` by administrator
+| *Existing system database:* `CYPHER 5` +
+*Existing user databases:* `CYPHER 5`  +
+*New user databases default:* `CYPHER 25`
 
 | *New installation of Neo4j 2025.06+* 
-| Set to `CYPHER_5`
-| *New system database:* `CYPHER_5` +
-*New user databases default:* `CYPHER_5`
+| Set to `CYPHER 5`
+| *New system database:* `CYPHER 5` +
+*New user databases default:* `CYPHER 5`
 
 |===